Question

Patty Plainte wants to compare the final grades of the students in Mr. Mean's class with those in Ms. Nice's class. (Patty is a student in Mr. Mean's class, and thinks that her teacher's nasty personality is the reason she did so poorly in the course.) Patty has managed to collect a random sample of final grades from the students in the two classes. She has created the two histograms shown in Exhibit 2.47 on the next page so that she can make her comparison.
Do you think that Patty deserved her low mark in statistics, based on these graphs? What would you do to improve the graphs?


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  • CreatedJuly 12, 2015
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