Mathematics, 16.07.2021 17:50 kcnawlay170

What happens to the mean of the data set shown below if the number 20 is added to the data set? A. The mean increases by 0.75.
B. The mean does not change.
C. The mean increases by 12.
D. The mean increases by 0.25.

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What happens to the mean of the data set shown below if the number 20 is added to the data set? A....