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# Given the observations 45, 20, 30, and 25, the mean absolute deviation is closest to:

Question:

A
7.5.

Explaination

The mean absolute deviation is the mean of the absolute values of the differences between each number and the mean. Because the mean is (45 + 20 + 30 + 25) I 4 = 30, the mean absolute deviation is $7184_w169_h37.png$

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