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NO.PZ2015120604000092 问题如下 The z-value of stanrnormstribution are useto measure the stanbetween the meanany other point, this stanis measurein unit of: A.mo. B.stanrviation. C.variance. B is correctB is the finition of z-value. 請問題幹的意思,z value 用於衡量,均值到某個point的距離,那這個距離不應該是變量嗎?謝謝
NO.PZ2015120604000092 stanrviation. variance. B is correB is the finition of z-value. 能翻译一下题干么,没太看懂
提问Z value当时定义的时候,就是N(0,1)。1就是方差呀,怎么现在题目变成标准差了?请老师指教。谢谢
z-value,是老师在视频中说的“滑雪,在某个点,就没有那么陡”的那个值吗?原版书或者notes哪里有这个点呢?
z value 怎么会表示均值和标准差之间的距离??