Activity 3: CLO 3, CLO 7 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 in table below: Table 2 Pre and Post Training Survey Results Customer Pre-training Survey Post-training Survey 1. Calculate the mean and standard deviation of the two samples. 2. Decide on an appropriate method to test the hypothesis that on average the training has been effective. 3. Specify the null and the alternate hypotheses. 4. Calculate the sample value of the test statistic. 5. Calculate the p value. 6. Assuming a 5% level of significance, decide to reject or not to reject the null hypothesis 7. Interpret your decision.Best online assignments help service
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