MATH 534 DVU Hypothesis & Confidence Interval Tests & Null Hypothesis Discussion

Question Description

Complete the following four hypotheses, using ? = 0.05 for each.

1. Mean sales per week exceed 42.5 per salesperson
2. Proportion receiving online training is less than 55%
3 Mean calls made among those with no training is at least 145
4. Mean time per call is 14.7 minutes

Using the same data set from part A, perform the hypothesis test for each speculation in order to see if there is evidence to support the manager’s belief. (Please see attached file)

Compute 99% confidence intervals for the variables used in each hypothesis test, and interpret these intervals.

Format for report:

Summary Report (about one paragraph on each of the four speculations)
Appendix with the calculations of the Eight Elements of a Test of Hypothesis, the p-values, and the confidence intervals. Include the Excel formulas or spreadsheet screen shots used in the calculations.

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