Chapter 24, Problem 21E

To determine

To explain why you cannot see the methods discussed in this chapter to do that.

Explanation of Solution

In this question, a company institutes an exercise break for its workers to see if this will improve job satisfaction as measured by a questionnaire that access workers satisfaction. Scores of ten randomly selected workers were recorded before and after the implementation. But thus, we cannot see the use of methods discussed in this chapter because the samples show before and after scores for the same individual, so they are not two independent samples.