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# 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

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. *H*0: *σ*21 = *σ*22 = *σ*23 = *σ*24 ; *H*1: 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 *H*calc. **(Round your answer to 2 decimal places.)**

* H*calc

Should we reject the null hypothesis?