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Statement of a problem № m1217

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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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