There are four McBurger restaurants in the Columbus Georgia area
There are four McBurger restaurants in the Columbus, Georgia, area. The numbers of burgers sold at the respective restaurants for each of the last 6 weeks are shown below. At the .05 significance level, is there a difference in the mean number sold among the four restaurants when the factor of week is considered?


a. Is there a difference in the treatment means?
b. Is there a difference in the blockmeans?
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