An Investigation of the Effectiveness of a Training Program to Improve

question 14

Multiple Choice

An investigation of the effectiveness of a training program to improve customer relationships included a pre-training and a 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 are shown here. For a 0.05 significance level,what is the decision regarding the hypothesis that the training was effective in improving customer relationships?

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

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