Problem #1 Part A. Complete the frequency distribution table, calculating the number of occurrences for each of the frequency intervals (bins) of the given three variables:
We know that a value is not an outlier if it is between Q1 - 1.5IQR and Q3 + 1.5 IQR. Calculate Q1, Q3 and IQR:
The following values are not outliers:
Donating – from 0 to 74 Helping – from 14 to 83 Volunteering – from 0 to 53 Based on this, we can conclude that there are three outlier values in donating score: 91, 78 and 77. These are extremely high values.
The distributions of Donating and Volunteering scores are skewed ...