问题描述:
Which of the following sets of numbers has the greatest standard deviation?
A.2,3,4 B.2.5,3,3.5 C.1,1.25,1.5 D.-2,0,2 E.-20,21,21.5
这道题的书上答案为什么是D呢,我觉得是E,因为那个-20和21,21.5很远啊
A.2,3,4 B.2.5,3,3.5 C.1,1.25,1.5 D.-2,0,2 E.-20,21,21.5
这道题的书上答案为什么是D呢,我觉得是E,因为那个-20和21,21.5很远啊
问题解答:
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