Question: Three Statistics classes all took the same test. Here are histograms of the scores for each class. a) Which class had the highest mean score?

Three Statistics classes all took the same test. Here are histograms of the scores for each class.

a) Which class had the highest mean score?
b) Which class had the highest median score?
c) For which class are the mean and median most different? Which is higher? Why?
d) Which class had the smallest standard deviation?
e) Which class had the smallest IQR?

4 60 Class 1 30 2 90 60 Class 2 30 90 60 Class 3 30

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