Statistics: Testing Hypothesis with the t-statistic – #29360


Question: The scores on a job satisfaction inventory for both groups are listed in the table below. Use the five steps of hypothesis testing to determine whether the job satisfaction scores of the group that participated in counseling are statistically higher than the scores of employees who did not participate in counseling at the .01 level of significance. In Step 2, show all calculations. As part of Step 5, indicate whether the researcher should recommend counseling as a method to improve job satisfaction following industrial accidents based on evaluation of the null hypothesis and calculate the effect size.

PARTICIPATED IN COUNSELING DID NOT PARTICIPATE IN COUNSELING
37 36
35 39
36 40
33 36
30 38
38 35
39 37
35 39
32 42

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