Question: Refer to the analysis of shoppers in Exercise 45 a If

Refer to the analysis of shoppers in Exercise 45.
(a) If several of those participating in the loyalty program are members of the same family, would this cause you to question the assumptions that underlie the test in this question?
(b) Several outliers were observed in the data for the loyalty program. Should these high-volume purchases be excluded?


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  • CreatedJuly 14, 2015
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