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:
Determine the calculated value of t. Was the training effective in improving customer relationships
When tested at a 0.05 level of significance?

A) -2.542; Reject the null hypothesis and conclude that the training was effective
B) 2.542; Reject the null hypothesis and conclude that the training was ineffective
C) 2.447; Fail to reject the null hypothesis and conclude that mean survey scores are the same
D) 2.542; Fail to reject the null hypothesis and conclude that the mean survey scores are not equal.
E) 2.447; Reject the null hypothesis and conclude that the training was effective