Repeat (a) and (b) of Problem 12.16, assuming that only 50 shoppers for each age group were

Question:

Repeat (a) and (b) of Problem 12.16, assuming that only 50 shoppers for each age group were surveyed. Discuss the implications of sample size on the x2 test for differences among more than two populations.
In problem 12.16
a. Is there evidence of a significant difference among the age groups with respect to major grocery shopping day? (Use α = 0.05.)
b. Determine the p-value in (a) and interpret its meaning.