Question

The table shows Minitab descriptive statistics for the years of education for the fathers and mothers of students in one of the author’s statistics classes and in one of her pre-algebra classes. Twelve years is equivalent to a high school education.
a. Are the means higher for those in pre-algebra or those in statistics?
b. In pre-algebra, is the mean higher for the mothers or the fathers?
c. Which of the four groups has the smallest standard deviation (StDev)?


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  • CreatedJuly 16, 2015
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