Does there appear to be a difference in the mean number of products sold in at l

ID: 3395965 • Letter: D

Question

Does there appear to be a difference in the mean number of products sold in at least two...

A retailer is contemplating building a new store and has to choose between three general regions for construction (locations A. B. and C). In order to decide where to build, the retailer surveys five stores in each region and records the number of products sold over the same three-day period at each of the 15 stores. The data are below: Does there appear to be a difference in the mean number of products sold in at least two of the regions? Select the appropriate critical value (CV). test statistic (TS). and decision below. (Use alpha = 0.05.)

Explanation / Answer

ANOVA: Single Factor

SUMMARY

Groups

Count

Sum

Average

Variance

4015

803

5070.0000

3690

738

970.0000

2630

526

2180.0000

ANOVA

Source of Variation

P-value

F crit

Between Groups

209830.0000

104915.0000

38.29

0.0000

3.89

Within Groups

32880.0000

2740.0000

Total

242710.0000

Level of significance

0.05