問題詳情
1以 IQ 分數為例，多智力測驗的平均是 分數為例，多智力測驗的平均是 100 ，標準差是 16 ，且智力的分配呈常態。請問測驗數介於 84 與 116 之間的學生約佔總人數百分多少？
(A) 84
(B) 96
(C) 50
(D) 68
(A) 84
(B) 96
(C) 50
(D) 68
參考答案
答案：D
難度：簡單0.797
統計：A(396),B(115),C(71),D(2285),E(0) #
個人：尚未作答書單：1、測驗與評量、統計1
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