Module 1 Chapter 1
2. Define the terms parameter and statistic. Be sure that the concepts of population and sample are included in your definitions.
8. Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls compared to swimmers, who are also athletes but who are not regularly hit in the head. Is this example of an experimental or a nonexperimental study?
18. For the following scores, find the value of each expression:
d. (X – 1)
22. Use summation notation