试题与答案

正态分布的有两个参数μ与σ,曲线形状越扁平表明()。 A.μ越大 B.d越大 C.μ

题型:单项选择题

题目:

正态分布的有两个参数μ与σ,曲线形状越扁平表明()。

A.μ越大

B.d越大

C.μ与σ越接近

D.σ越小

E.以上都是

答案:

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参考答案:D

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