Sales of People magazine are compared over a 5-week period at four Borders outlets in Chicago.
Weekly Sales
Store 1Store 2Store 3Store 4
1049885103
105 7690115
106857385
11781104102
1111039398
Click here for the Excel Data File
Fill in the missing data. (Round your mean values to 1 decimal place and other answers to 2 decimal places.)
Treatment MeannStd. Dev. Variance
Store 1
Store 2
Store 3
Store 4
Total
Based on the given hypotheses, choose the correct option. H0: σ21 = σ22 = σ23 = σ24 ; H1: Not all the variances are equal at α = 0.05.
Reject the null hypothesis if H > 20.6
Reject the null hypothesis if H < 20.6
Calculate the value of Hcalc. (Round your answer to 2 decimal places.)
Hcalc
Should we reject the null hypothesis?