…10, 20, 30, 40, 50, 60, or 70 with frequencies indicated by the shaded regions above, for which of the frequency distributions is the mean equal to the median?
(A) X only
(B) Y only
(C) Z only
(D) X and Y
(E) X and Z
If your median and your mean are the same, the frequency distribution will be symmetrical. Take that to the bank.
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