Refer to Exercise 15.33. Suppose that a second store for each region–can color combination is added to the study, yielding the results shown in the following table. Combining these results with those of Exercise 15.33, carry out the analysis of variance calculations and discuss your findings.

Can Color Region Red Yellow Blue East 45 50 54 South 49 51 58 Midwest 43 60 50 West 38 49 44