Does there appear to be a difference in the mean number of p

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.)

Solution

ANOVA: Single Factor

SUMMARY

Groups

Count

Sum

Average

Variance

A

5

4015

803

5070.0000

B

5

3690

738

970.0000

C

5

2630

526

2180.0000

ANOVA

Source of Variation

SS

df

MS

F

P-value

F crit

Between Groups

209830.0000

2

104915.0000

38.29

0.0000

3.89

Within Groups

32880.0000

12

2740.0000

Total

242710.0000

14

Level of significance

0.05

ANOVA: Single Factor
SUMMARY
Groups	Count	Sum	Average	Variance
A	5	4015	803	5070.0000
B	5	3690	738	970.0000
C	5	2630	526	2180.0000
ANOVA
Source of Variation	SS	df	MS	F	P-value	F crit
Between Groups	209830.0000	2	104915.0000	38.29	0.0000	3.89
Within Groups	32880.0000	12	2740.0000
Total	242710.0000	14
			Level of significance	0.05