Question: Refer to Exercise 3 55 a Is the average of the mean

Refer to Exercise 3.55.
a. Is the average of the mean expenditures of families with three or fewer members less than the average of the mean expenditures for families with four or more members? Use α = .05.
b. Which pairs of the five groups have significantly different mean expenditures? Use an experiment wise error rate of .05.

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  • CreatedNovember 21, 2015
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