Definition: You are given a question on high school psychology. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: In order for the mean, mode, and median of a data set to be equal, the distribution must be
(A)positively skewed (B)asymmetrical (C)negatively skewed (D)normal

D