Equation Research Papers Samples For Students

Abstract

This paper pertains to discussing the Schrodinger equation along with its historical background. The paper starts with an introduction to quantum mechanics and requirement of Schrodinger equation. The paper highlights the need of Schrodinger equation in light of progresses made in quantum mechanics. The paper also highlights the historical background of the development of Schrodinger equation after which the paper also briefly touches the development of the same through classical means. The paper discusses about the Schrodinger equation while presenting the same for a hydrogen atom. The paper ends with conclusion in which the importance of Schrodinger equation is highlighted.

...

Abstract

The fugacity is a term that has Latin origins, referring to pace and speed. Early work somewhere in the 20th century, on fugacity, demonstrated that chemical equilibrium is established by the free energies of reacting material. Since then, various approaches and concepts on fugacity have been provided. The gas fugacity of noble gasses has been studied, and models have been proposed for calculating the solubility of noble gasses. The development of various models has considered pressure effects, differential equilibrium between components and temperature changes.
The paper discusses the evolution of various multimedia fugacity models and the fugacity of pure ...

- Linear and Non-linear devices
A linear electrical component is an electrical element that has a linear relationship between current and voltage in a circuit. Examples include resistors, capacitors and inductors.
Non-linear electrical elements do not have a linear relationship between the current and voltage. An example is a diode where the current is a non-linear function of the voltage.
The load line analysis is a graphical analysis of the characteristics of non-linear electronic circuits to show the constraints that is placed on the non-linear devices by the rest of the circuit.
Using a simple diode (a non-linear electronic device) to explain the ...

Introduction

One of the famous irrational number in mathematics is the number e which has a value: e= 2.71828 18284 59045 23536 02874 71352 66249 77572 47093 69995
The number e was named by the Swiss-German mathematician, Leonhard Euler, in 17th century. It is frequently called Euler's number after his name; however, the letter e stands for the word exponential. The number e is the base of the natural logarithms that is created by John Napier. In the year 1737, Euler employed the symbol for pi to denote the ratio of the circumference to the diameter within a circle. Then, in ...

Abstract

In this paper we will show how the basic tools of statistics and probability theory are applied to a real world problem. The purpose of the assignment is to predict the price of Bitcoin based on the gathered data. The research is based on a multiple regression analysis. There are several models are developed and the best is chosen as a result.

Introduction

In 2009, someone using the pen-name Satoshi Nakamoto published a paper titled “Bitcoin: A Peer-to-Peer Electronic Cash System”. The goal of this new peer-to-peer(“P2P”) system was to help solve the problems of double spending and trust present in standard electronic ...

Abstract

This paper is dedicated to the importance of mathematical models and their application to the solution of real world problems. The purpose of this paper is to demonstrate how the relationship between two variables or factors can be mathematically expressed. I selected the following variables: the unemployment rate and violent crime rate of the United States of America. The three points selected are the unemployment and violent crime rate in 1998-2000. The linear equation was created on the basis of two points in 1998 and 2000. He equation shows that there is a positive relationship between the number of ...

- Introduction
Radiations such as  - rays, UV rays, etc. have ionizing effects on tissues and have the ability kill cells and inactivate viruses. A detailed analysis of the survival of such cells and viruses are imperative in many fields, including radiation oncology, public health and environmental photobiology. However, the mathematical and statistical tools based on target theory in radiobiology are mentioned in literature (Alpen, 1988, Smith, 1989, Hall, 2000) and are wide in use in the analysis of experimental data involving biophysical mechanisms of the repair of radiation damage. This work demonstrates the use of probabilistic approaches ...

- Apple’s success
Apple has a market capitalization of $ 557 million dollars. Apple is scheduled to make an announcement on their 4th quarter earnings and considering the hype surrounding the company, the report is expected to be a huge success. The California based company earlier on released their 3rd quarter financial results for the 2013 financial year. In the article, Apple earned quarterly revenue of $ 35.3 billion and a net profit of $ 6.9 billion translating into an earnings of $ 7.47 per each diluted share of the business (Scott, 2013). In the same quarter last year, the firm made $ 35 billion ...

Abstract

The paper focuses on the current application of differentiation and differential equations. Differentiation involves evaluating derivatives, while differential equations are equations involving derivatives. Differentiation is useful in optimization of production; cost minimization and profit maximization. This is a direct and practical application in the discipline of management accounting. Moreover, differential equations are useful in modeling natural phenomena, and solving complex problems in physics, such as electromagnetic waves, RLC circuits, population growth, and chemical reactions problems. In addition, electrical apparatus problems, such as the Ohmic heating problem of a thermistor, are modeled using differential equations.

Current Applications of Differentiation and differential equations

Differentiation is a process of finding derivatives of ...

Introduction

There has been a growing need worldwide for alternative energy solutions to that of the traditional fossil fuel and mined coal. The need for sustainable renewable power sources can be attributed to the growing concern over the state of the area in which we live. Global warming is fast becoming the modern time's biggest threat to human life. Solar energy is one of the best answers to the energy problem that the world is currently facing. Solar power harnesses the energy from the ultraviolet rays emitted by the sun and converts it into electric energy. The determinants of the ...

Background

Solow Growth Model is one of the basic Macroeconomic model in the neoclassical era. It was first introduced by Robert Solow in 1956 (Verner, 1995). The model tries to explain the long term economic growth of an economy. The dependent variable of the Solow Model is long term rate of economic growth (output) and independent variables are capital accumulation, labor (also expressed in terms of population growth) and increase in productivity (technological innovation) (Verner, 1995).

Figure: Solow Equation: Y- Output, A- Productivity, And K – Capital Accumulation and L – Labor Growth (Boianovsky and Hoover, 2009)
The main assumption of Solow ...

Interpreting Market Trends

Data on various market factors will need to be collected for identification of their effect on demand of vehicles in the Australian market. Those factors are summarized as follows

Disposable income is the level of income that households can spend for their consumer purposes. It is the income after taxation whose level determines the income that consumers have at their disposal. In that respect, it is determined by employment level within an economy.

Purchasing power: Price index/inflation:

Purchasing power refers to the ability that the income held has in buying goods and services. The change in purchasing power determines the quantity of goods ...

The fundamental theorem of algebra (FToA) is states that each non-constant single-variable polynomial with complex coefficients has at least one complex root. In fact, there are many equivalent formulations, such as this: every real polynomial can be represented as a product of real linear and real quadratic factors.
Early studies equations by al-Khwarizmi (from 800) are devoted only to positive real roots and have no relation to the FToA. Cardano was the first to realize that it is possible to work with the values ​​more general than real numbers (Geuvers, Wiedijk & Zwanenburg, 2002). This discovery was made in the ...

Research performed at the request of

Abstract
In today’s world the importance of online marketing is hard to overestimate – business model of many online platforms is based on utilization of traffic with help of targeted advertisement campaigns. Without a doubt, the success of these campaigns (which is crucial for the long-term success of the company) depends on the precision of targeting, with the websites, especially social networks, doing their best to collect as much information about the users as possible and to exploit for more and narrower targeting. This work suggests another criterion for targeting: the time the users spend on the websites. According ...

Abstract

This paper explores how research methodologies can be used to resolve organizational issues. Using Starbucks as the company of focus, this paper discusses the qualities of qualitative and quantitative research and how they can be used for investigation and analysis in an organizational setting. It is hypothesized, for instance, that the decline in Starbucks’ sales as well as the poor performance of some of its stores is due to poor customer service. The concept of customer service, however, is too abstract to measure directly. However, this hypothesis can be determined using qualitative research methods as opposed to the quantitative ...

Introduction

The quarterback serves as the offensive head of a football team. He is responsible for setting up the plays in order for the team to gain yards. His plays can be seen in different ways such as passing or running (Strauss, n.d). Depending on the decision of the team during huddle, the quarterback must be the one to ensure the success of their plays.
Unfortunately, not all the plays made by the quarterback are successful. There are several factors which contribute to the failure of the plays, such as failure of execution of the designated roles, being outsmarted by ...

Mathematical model.

In 1985, Kallen, Arcuri and Murray (377-393) presented a simple mathematical model for the spread of the rabies epidemics to approximate the minimum width of a break and enable the control of the spatial progression of rabies.

Features and assumptions of the model.

The model developed by Kallen, Arcuri and Murray (377-393) was based on a deterministic approach where the fox populations were categorized into two groups, namely infective and susceptible foxes. In this classification, the infective foxes included those with rabies virus present in their saliva while the susceptible ones included those without traces of rabies virus in their saliva. One of the assumptions ...

Introduction

A pressure cooker is a hermetically sealed pot that utilizes the thermodynamic principles of steam pressure to cook foods faster than conventional cookers, and use energy more efficiently. Though pressure cookers have existed for many years, they have lately gained considerable popularity as they are considered to be among the beast means for healthy cooking in the market. Moreover, pressure cookers are very simple to use, and the resulting appearance and flavor of foods cooked in them make it difficult to believe how fast the cooking process is actually completed.
This paper will focus on the thermodynamic principles under ...

Rene Descartes was a famous French physicist, mathematician, philosopher and physiologist. He was the founder of modern European rationalism. Descartes was one of the most influential metaphysicians of modern times. The scientist was born on March 31, 1596 in France. Since the parents were nobles, the boy received a good education.
In 1637, René Descartes published his famous work, published in French, - "Discourse on the Method" ("The Geometry Of Rene Descartes | Mathematical Association Of America"). The scientist was the first who introduced the coefficients of equations, variables, and designated degrees. He has modified the symbols of Wyeth’s ...

According to the recent research, it is evident at Apple Inc. has successfully integrated the use of mathematics in the formulation of its financial analysis and records. The company closed its financial report with a stock of 40% as at March 2015. In addition, the market value is reported to be approximately $200 billion as compared to the initial financial year. In other terms, mathematical concept plays a major role in facilitating the financial reporting for the company.
The balance and the income statement of the company borrows the ideas or concept of mathematics. It means that most of the ...

Abstract

This project seeks to analyze the correlation between the number of students per state with the grade level. A simple linear regression equation and attributed graph will be applied to indicate this status.

Introduction

With the increased population of students and attributed practices to each student in various states in the US, the work of assessing and grading these students in the class performance, statistical instruments are necessary to achieve efficiency of certain measures of dispersion. Attaining efficient measures of dispersion is a guarantee of the overall efficiency of the data. In this case, a correlation between the total population of a state ...

Introduction

The optimum size of company is a very fundamental issue o put into consideration for the growth of the company. Size can have drawbacks and benefits in assisting the management in maximizing the level of output. However, there are those factors that determine the size of the firm. In most cases farm expands their production due to the economies of scale. When the company grows or expands, it is able to take advantage of machine utilization, cost reduction, and bulk discount among others.
Large companies have the cost advantage over the small companies due to economies of scale. This ...

The systems that can adapt in reaction to unanticipated external disturbances and events during their operation are called autonomous systems . These systems have capability of self-adaptation, self-configuration, self-monitoring, tuning, and other kinds of adjustment without requiring external control input . Autonomous systems are also referred to as self-managed systems due to their independence from external controls. These systems are built such that their components satisfy the design intent in the presence of small perturbations, external disturbances, noise, or other environmental changes.
In realm of control systems theory, autonomous systems carry the similar concept mentioned above. Talking in terms of state ...

Introduction

In this assignment I will apply the basics of statistics and probability theory to a real world problem. Assume I would like to know about the effectiveness of teaching in a particular university of the United States. The goal of the research is to find out significant factors which affect teaching evaluation score among professors at the University of Texas at Austin in 2000-2002 (Source: http://wps.aw.com/aw_stock_ie_3/178/45691/11696965.cw/index.html). According to this source, the data is measured by the following variables:
I begin with descriptive statistics and summary table for all variables.
According to the output of the descriptive statistics, we can ...

Why Study Accounting?

People have varying reasons as to why they study accounting. According to Don Balla in the article “Top Five “Top Five Lists” of reasons to Study Accounting” (Balla, 2014), these reasons are:

What is accounting?

Accounting has different varying definitions. However, the familiar explanation is that it is the technique of recording financial transactions. According to Harold Averkamp in his article, “what is accounting”, it involves; storing of financial transactions, andsorting out these transactions, retrieving them. Summarizing the transactions, as well as presenting the data obtained in different reports and analysis is also a process of accounting. Accounting has various parts i.e. financial ...

QUESTION 1

Function – A function is the relationship that exists between an input and output such that one input has only one possible output. This implies that a function takes an input and produces an output based on the input (Cheney & Kincaid, 2012).

Examples

Linear function
y = 2 x

Quadratic function

y = 2 x2

Third degree polynomial

y = 2 x3

Exponential function

y = e2x

Logarithmic function

y = log 2 x

Periodic function

y = sin x
Domain of a function - The domain of a function is the set of inputs for which the output of the function exists (Cheney & Kincaid, 2012).The domain of linear function is (- ∞ to ∞), quadratic function is (- ∞ to ∞), ...

Abstract

Mexico is the world’s 12th largest economy in terms of Gross Domestic Product ($1.657 trillion), growing at an average rate of 3.8% annually. With a 47.7 million labor force, Mexico has GDP per capita of $15, 100 which is the 81st highest in the world. Mexico’s leading industry include food and beverages, tobacco and cigarette production, chemicals, iron and steel manufacturing, petroleum, mining, textiles, clothing, manufacture of motor vehicles, consumer durables, and an active tourism sector. Ninety percent of Mexico’s trade is under free trade agreements with countries from the whole North America, most of Central America, ...

Gold is one of the most popular metallic elements. It has the symbol Au which means “shining dawn” or Latinaurum. The word “gold” however, comes from the old English word that means “yellow” (WiseGeek, 2013). Belonging to the group 11 in the periodic table of elements, Gold is known as a “transition metal” which means it is highly ductile and malleable. It is also very precious.
Gold was known and used as early as 6,000 B.C. for jewellery and other ornamentation. In early times, it was not used for much anything else other than decoration, even though it ...

Introduction

Domino pizza is a well known brand based in United States where it has a wider reach in operations. The business is the subject of this analysis where demand analysis and forecasting is used to evaluate the suitability of the business venturing in Bowie, MD. The analysis is done by collecting market data on the independent and dependent variables, calculating the regression models and the coefficient of determination whose interpretation together with the test for the regression and the variables are used as a basis of the decision. The analysis also forecasts the market demand for pizza in the region for the ...

1. ABSRACT

The purpose of this experiment was two-fold. Firstly it was to synthesize shape-controllable Copper Oxide (Cu2O) under alkaline conditions by using hydrothermal methodology. Secondly it was to measure and evaluate its application for photocatalytic degradation of direct blue dye 53 also commonly known as Direct Blue 53 or Evans Blue. Materials used for the first step were Cu2O and the two reactants, CuCl2.2H2O and NaOH. The temperature during the hydrothermal process was raised from 80°C to 140°C. Two products were synthesized: a) the Cu2O nanorod and b) a mixture of Cu2O nanorod and Cu2O nanocubes.

Hydrothermal temperature was found to ...

The primary care providers have the key responsibility of maintaining and providing first contact medical services to all the patients and it is expected that they are responsible for the overall ordination of medical services. The emergency Department is responsible to handle cases in the first contact if they are referred and require emergency attention which is available 24 x 7 and is only a one-time service and may not provide a continuous support like the primary care provider team. There is a specialty care Department is then which cannot be a first contact and is only used for patients in cases where ...

American Public University

1. Compute the elasticities for each independent variable. Note: Write down all of your calculations.
The demand estimation as follows: QD = -3,500 - 150P + 30A + 75PX + 10Y. When P=300, A=750, PX=200, and Y=10,000. Placing these numbers into equation: QD=-3,500-150(300)+30(750)+75(200)+10(10,000)=QD=-3,500-45,000+22,500+15,000+100,000=89,000. Under given these numbers, we have 89,000 products demanded.
Price elasticity of demand is [d(QD)/d(P)]/[QD/P]. Therefore, we take a derivative of the function subject to price, and we assume other variables do not ...

Research Question

The questions about health cannot be answered basing on knowledge and experience only. In other words, physiology, biochemistry and clinical experience are not enough to make conclusions about the factors that cause changes in human body. However, the medical science requires answers to numerous credible questions. The answers are obtained through statistical analysis of the vast datasets with patients’ social and medical characteristics. The larger the dataset, the more reliable are the conclusions.
The dataset used for the study is based on 17 variables with 5209 observations. Therefore, the sample data can be approximated to the population data. The ...

Abstract

Regression analysis is the statistical technique commonly used in econometric modeling and carrying out economic forecasts. This study sought to assess the precision multiple linear regression in evaluating the evolution in real GDP per capita in the USA between 1998 and 2011 using expenditure approach. Three macroeconomic variables were used; Gross domestic product, net investment and final consumption. Net investment and final consumption are model regressors predicting GDP. The researcher used MS Excel to carry out all the statistical analysis on the data. The analysis result shows weak linear development GDP increment. Small fluctuations were observed around the fitted ...

APPLICATION OF INDUSTRIAL ENGINEERING IN HEALTHCARE SYSTEMS

Abstract
Engineering concepts have been applied in healthcare systems. Particularly, industrial engineering plays a significant role in the maintenance of modern healthcare systems. Medical practitioners and managers should appreciate the significance of employing practical methods in decision-making. The objective of this paper is to tie industrial engineering concepts to healthcare delivery. This involves the application of systems modelling in healthcare management. The paper is divided into sections that cover various aspects of the topic. The human capital model is expressed through an equation. This is then followed by a summary of underlying facts. The compilation is concluded with a ...

Abstract

The purpose of this paper is to critically appraise and evaluate whether the directors are abusing their powers and privileges based on existing laws. The study will also show whether the key duties imposed on directors by statutes as interpreted by the judiciary are being fulfilled. The article gives a detailed analysis of the duties of directors and determines the instances when they had exceeded the authority granted to them by the company, laws and statutes. Directors exercise potentially a broad range of powers in managing the company business and there are instances when they may be held personally ...

The PID (Proportional, Integral and Derivative) controller is feedback controller which aims to make system output follow desired response (Hägglund & Åström, 1995). The controller is defined by following equation:
ut=K(et+1Tioteτdτ+Tdde(t)dt)
where u is input control signal to the plant model and e is the control error which is difference between desired and actual system output used to generate the control action. As shown by equation the controller consists of proportional, integral, and derivative terms. Gain K, integral time Ti and derivative time Td are all parameters of PID controller.
We can ...

TOFROM

Introduction
Alcohol consumption unlike other good has rose arguments pertaining to its effect on the society due to excess consumption that is declared national menace since it negatively impacts the society. Several measures have been taken to reduce on its consumption and subsequent effect in the society. One of the measures proposed is increase on tax on alcohol so as to reduce on its aggregate consumption. This is an economic policy aiming to affect the individual supply and demand of alcohol and aggregate resulting consumption. Tax would increase on the burden on consumers as well as producers and ...

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Printed in the United States of America.

ISBN ...

OF THE GOLDEN RATIO

This paper explores the applications of the golden ratio in different aspects of civilization such as art, engineering, architecture, nature and science.
The golden ratio (represented by the Greek letter φ) is also referred to as the divine ratio, golden section, and Phi. It is the ratio that can be described by the golden rectangle (See Figure 1). The golden rectangle has sides which measures x and x+1 respectively. The ratio (x+1)/x = x/1. Rearranging the expression to quadratic equation form, this becomes x2-x-1. Solving the equation yields two irrational numbers. The two solutions are (1+5) ...

Question 1: Rationale and Comparative Advantages

The technology behind PET-MRI presents a major stride in terms of nuclear medicine. Since the inception of nuclear medicine as a discipline, the overall medical domain has received a huge boost in terms of precision in diagnosis and treatment (Boss at al., 2010). However, the PET-MRI is the most recent advancement in this field and is promising to impact on medicine in a very positive manner. The contemporary world is faced by a myriad of intricate health conditions that require an equally sophisticated approach. It is the technologies such as the PER-MRI that hold the key to the 21st century medicine. PET-MRI is a hybrid ...

Philosophy of Space Exploration

Introduction
Philosophy stands as quite an universal way of solving problems related to values, existence, mind, knowledge, reality, reason, and language. In philosophy, there are various methods of dealing with such problems by looking at their magnitude, practical approach and their reliance on ways of thinking. Different philosophers have varying classifications of distinctive philosophical or intellectual points of view, rather than inflexible and universal sets of beliefs. Space exploration has become among the fields that philosophy has shaped, particularly through secular utility maximization, which basically posits that maximizing developments to the benefit of greatest amount of people is ...

QUESTION I

Function
This is an equation or expression that shows the relationship between input and output variables. It transforms each input value into one output value. For instance, a function f(x) = 3x multiplies each input value by three to give the output value

Domain

Set of all possible input values. For instance, the domain of f(x) = 1/x is any real number apart from zero

Range

Set of all possible output values. For instance the range of f(x) = Sin x is -1, +1.

Linear Function

Also known as first degree function
Maximum power of input variable is 1
Written in ...

Impact of Future Derivatives on Stock Market Volatility

Derivatives has been the talk of the financial world after it was accused as the primary reason for such a deep financial crisis that affected the global economy in 2007. Thus, the modelling of asset returns and judging the volatility of stock market and whether the derivatives have a substantial effect on stock market volatility, is still the key task for every finance professional as it provides much needed on risk patterns involved in investment process. The Finance Gurus propose that stock market normally exhibit high levels of price volatility and cause concerns to the investor regarding unpredictable outcomes, however with ...

Doppler Principles in Echocardiography

What is Doppler ultrasound?
Doppler ultrasound is a type of ultrasound that allows you to diagnose vessels. This method of analysis can obtain accurate information about the functioning of vascular, clinical picture, identify malfunctions (method based on analyzing the frequency changed due to the reflection of ultrasonic waves). Diagnosis is absolutely harmless to the patient - no discomfort or discomfort during the study does not test people. The survey is conducted on an outpatient basis and does not require special preparation of the patient, the use of additional equipment and contrast media.

An Invention of Doppler Effect

The Doppler effect is easy to observe ...

In the current competitive global economy with increased globalization, international trade continues to play an imperative role in the US, as well as other global economies. The US has the most diverse and productive economy globally due to its engagement in the international trade. Although the majority of the US citizenry does not recognize the importance of international trade due lack of direct impact on their daily lives, it plays an essential role in the economy. For example, it is estimated that a combination of foreign direct investments and international trade comprise a third of US economy. International trade plays an ...

In the healthcare perspective, according to Gennaro et al. (2000), biochemical reactions are the chemical reactions involved in biochemical and cellular processes and particular actions of substances that affect these processes. Understanding biochemical reactions lead to the “understanding of the molecular bases of diseases”. The knowledge of receptor sites and metabolism (among other things) direct healthcare measures in efficient therapy management. Knowing normal cellular communication and metabolic pattern chemical reactions determine conditions that are abnormal in disease states. To Giese (2013), the scope of pharmaceutical reactions involve those of pharmaceutical biomolecules and biomolecule analogues and the chemical reactions involving ...

Shaped tube electrolytic machining

Several methods have been employed to drill holes. Most of the time only mechanical methods have been thought up. These mechanical methods have a lot of disadvantages. Some of them being production of heat while drilling and also there was use of a lot of energy. Moreover, to drill both small and large holes is very difficult especially in hard and brittle materials using traditional drilling methods (Robert, H. & Allen, D, 1994). In some areas such as space, automobile, electronic sand computer (printed circuit boards), medical (Surgical implants), optics and miniature manufacturing provide the need for drilling holes in hard ...

Profressor Name

Premarital sex among those living together in a cohabitation has long been a moral concern that many parents and religious people have minded themselves with. Even though the stigma of premarital sex and cohabitation before married has very much faded and waned over the years, the mental health and family planning concerns that come with the subject have amplified in nature give the increase out of wedlock birth rate and the complications of trying to persist with a serious and cohabitating relationship in spite of a marriage not being part of the proverbial equation. The general subject described above ...

CHANGE MANAGEMENT

Introduction
“Change management is referred to as the process of initiating, implementing and controlling change in an organization” (Kneer, 2013, p. 3). Managing change is a unique task that requires a set of skills and procedures in order to ensure success through attaining a specific goal. The starting point of change is the definition of a problem that an organization may be experiencing at a given time. After a proper analysis of the issues at hand has been made then the management team develops and selects a workable strategy to solve the problem either existing or anticipated. “Human beings ...

A brake is a device that produces artificial resistance to the moving part of a machine to stop or slow down its motion. Any machine or its part that is in motion possesses kinetic energy. As per physical laws, energy cannot be destroyed; its form can only be transformed. The brake system converts the kinetic energy of the moving machine or part into thermal, potential or chemical energy. Brake systems are of various types utilized in different applications in industries, home appliances, vehicles, railway trains, and other sectors. This paper has focused on the brake systems used in vehicles, ...

It is impossible to underestimate the role of the sleep on the human organism. This biological process determines the working attitudes of a particular individual and brings a sufficient impact on the everyday life. The study collected is associated with exploration of the prevalence and impact of sleep problems on various aspects of people's lives.
First of all, it is essential to figure out, what is the average health rate. The sample size if entire survey is 271, and for the question of “Overall how would you rate your general health” (Pallant, 2010) there is one person, who did ...

Introduction:

Historically, photovoltaic (PV) market in this country was dominated by residential PV application (Ted 23). Among the revolutions made by the then government of Japan was to invent and promote other renewable sources of energy (Paxson 201). This paradigm shift by the Japanese government has been motivated by the craving to put some environmental factors in check. Also, the energy demand not only in Japan but also all over the world has increased. This has reached a level where the existing energy sources are unable to meet the current market demand.
This paper seek to address various concerns of ...

Income and Expenditure

Introduction
Income and expenditure contributes largely to economic measures of an individual, country or continent. They determine the credit worthiness of a person or economic stability of a given country. Hence, my report will cover how income of an employee relates with his expenditure in the U.S. What actually am determined to prove is that, when a person gets higher income will his or her expenditure increase or decrease? For instance, I managed to find discrete data concerning income and expenditure from the ‘Economic data for the U.S.: http://www.bea.gov/’. The data had three variables namely, months starting from the ...

Introduction

In this paper, we will describe and discuss the application of statistics and probability theory to a real world problem. Our goal is to develop a research question, collect the appropriate data, and examine it by applying various statistical techniques. The topic of our research is body fat percentage.
Most people consider weight as the most important indicator in assessing the state of their figure. However, it is not always correct to determine the effectiveness of the diet or intensity of physical activity, focusing only on the body mass index. There is another measurement, which is much more important: ...

Finance

Executive Summary
The differences in NGOs and for-profits may be the solution to problems in providing sustainable projects to developing countries, if the two entities find ways to merge what they each know how to do best. For-profits and NGOs can be identified by a look at their financial statements. The NGOs have more experience taking on board the methods that ensure resilience and durability in the global marketplace; on the other hand for-profits can make long-term investments pay off. Sustainability is one significant impact and globalization is another.
NGOs based in the United States are regulated for ...

Relationship between sporting talent and the body sizes 3

Data collection and description 3
Data analysis 3
The model 3
The hypothesis statements 4
The model assumption 4
Regression Analysis: Wins versus Salary 4
Analysis of Correlation salaries of the players and the number of wins the clubs register 4
Checking the adequacy of the modeling 5
Residual analysis 5
Summary of Results 5
Discussion and Conclusions 5
Introduction
There is usually a very close relationship between salaries of players in every club and the number of wins the club register every season. According to Mullins (2006), ...

ABSTRACT

The term utility in economics is defined as the satisfaction or fulfillment an individual gets from consuming a certain good or a service. Utility is one of the major subjects used in understanding consumer behavior in economics. Utility of a good is usually expressed as a function of only the amount of that particular good. However, utility cannot be measured quantitatively and therefore it is a subjective concept depending on each individual. Some economists have argued that utility can be measured in utils but this unit of measurement is not quite clear and also it is not recognized universally. People assume the larger the ...

The first part of typical statistical research is descriptive statistics of the data sample.

Descriptive statistics allows to generalize the initial results obtained by observation or experiment. All calculations descriptive statistics are reduced to group data according to their values ​​, their frequency distribution of construction , identify trends central distribution and finally to the estimation variance of the data with respect to the central tendency found .
Presentation of descriptive statistics is usually the first step in any analysis . The purpose of presenting data in the form of descriptive statistics - draw conclusions and make strategic ( for analysis) decisions based on available data.

Key indicators of descriptive statistics :

• The average (arithmetic mean , median, mode )
• The average value
• ...

Is there a relation between BMI and hours playing sport?

Introduction
Many physical characteristics and sporting activities are attributed to the length of the body. There are great argument about the relationship of the body length and the sporting ability. However, it cannot be denied that the length of the body have a relationship with the physical performance of the in the sporting activities. According to Norton, Olds, Olive and Craig (1996), there are many sports where height is a key determinant of success. On the other hand, shortness in stature is particularly advantageous in acceleration and changing direction (ATP Tour, 1995).
Anthropometric data showed that the shortest athletes ...