Question: Repeat (a) and (b) of problem 15.14, assuming that only 50 shoppers for each age category were surveyed. Discuss the implications of sample size on

Repeat

(a) and

(b) of problem 15.14, assuming that only 50 shoppers for each age category were surveyed. Discuss the implications of sample size on the χ2 test for differences in more than two populations.

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