Busway Sandwiches needed to trim its annual budget so it decided to record the daily sales ...

Busway Sandwiches needed to trim its annual budget so it decided to record the daily sales of the 5 lowest producing stores, and close the store with the lowest weekly average sales.

Assume that the data below did not violate any of the three assumptions and run a one-way ANOVA to determine if there was a significant difference in the weekly sales.

National   City

El   Cajon

San   Diego

Chula   Vista

Del Mar

Monday

545

1083

683

992

623

Tuesday

736

919

679

887

838

Wednesday

582

642

611

885

388

Thursday

595

959

976

966

489

Friday

915

1081

1200

659

716

Saturday

1165

1001

1160

1035

899

Sunday

885

1010

1141

980

383

a. What is the null hypothesis?

b. What is the alternative hypothesis?

c. What is the test statistic?

d. What is the P-value?

e.  Was there a significant difference between the weekly sales?

f. According to the data, which store would you recommend to be closed?