A sales analyst wants to determine whether there is a difference in the mean monthly sales of a company's four sales regions. Several salespersons from each region are randomly selected and they provide their sales amount (in thousands of dollars) for the previous month. Using a 5% significance, can we conclude at least one region is different on average? North East South West 23 30 28 25 31 23 26 29 24 27 24 36 30 29 22 31 18 24 Test statistic: P-value:
A sales analyst wants to determine whether there is a difference in the mean monthly sales of a company's four sales regions. Several salespersons from each region are randomly selected and they provide their sales amount (in thousands of dollars) for the previous month. Using a 5% significance, can we conclude at least one region is different on average? North East South West 23 30 28 25 31 23 26 29 24 27 24 36 30 29 22 31 18 24 Test statistic: P-value:
Essentials of Business Analytics (MindTap Course List)
2nd Edition
ISBN:9781305627734
Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Chapter6: Statistical Inference
Section: Chapter Questions
Problem 3P: A simple random sample of 5 months of sales data provided the following information: a. Develop a...
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A sales analyst wants to determine whether there is a difference in the mean monthly sales of a company's four sales regions. Several salespersons from each region are randomly selected and they provide their sales amount (in thousands of dollars) for the previous month. Using a 5% significance, can we conclude at least one region is different on average?
| North | East | South | West |
|---|---|---|---|
| 23 | 30 | 28 | 25 |
| 31 | 23 | 26 | 29 |
| 24 | 27 | 24 | 36 |
| 30 | 29 | 22 | 31 |
| 18 | 24 |
Test statistic:
P-value:
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