An Investigation of the Effectiveness of a Training Program to Improve

Multiple Choice

An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and post-training customer survey. To compare the differences, they computed (post-training survey score - pre-training survey score) . Seven customers were randomly selected and completed both surveys. The results follow. This analysis is an example of _____________.

A) A one-sample test of means
B) A two-sample test of means
C) A paired t-test
D) A test of proportions