开发者:上海品职教育科技有限公司 隐私政策详情

应用版本:4.2.11(IOS)|3.2.5(安卓)APP下载

ciaoyy · 2018年04月04日

问一道题:NO.PZ2015120604000131 [ CFA I ]

问题如下图:

    

选项:

A.

B.

C.

解释:


B正确的话,不需要强调是正态分布的情况吗?

1 个答案
已采纳答案

源_品职助教 · 2018年04月05日

选项中说Z-critical values,这句话是对应Z分布的,Z分布就是正太分布的意思哈,而且是标准化后的正态分布。

  • 1

    回答
  • 0

    关注
  • 284

    浏览
相关问题

NO.PZ2015120604000131问题如下Whiof the following scriptions is the least accurate about hypothesis testing?A.A Type II error refers to fail to rejewhen the null is false.B.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.58.C.One minus the probability of a Type II error equals the power of test .B is correct.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.332.33不应该是one-tailetest with significant level of 2%吗

2024-07-14 13:35 1 · 回答

NO.PZ2015120604000131问题如下 Whiof the following scriptions is the least accurate about hypothesis testing?A.A Type II error refers to fail to rejewhen the null is false.B.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.58.C.One minus the probability of a Type II error equals the power of test .B is correct.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.33​ Type II error=1-power of test,这说的就是c吧,为什么c不对

2023-11-10 09:11 1 · 回答

NO.PZ2015120604000131问题如下Whiof the following scriptions is the least accurate about hypothesis testing?A.A Type II error refers to fail to rejewhen the null is false.B.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.58.C.One minus the probability of a Type II error equals the power of test .B is correct.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.33不懂B,容易搞混。麻烦详细说下。Z统计不都是双尾吗?为啥会有单尾的。另外,为啥用1%折合单尾0.5%,而不是2%

2023-06-05 17:47 2 · 回答

NO.PZ2015120604000131问题如下Whiof the following scriptions is the least accurate about hypothesis testing?A.A Type II error refers to fail to rejewhen the null is false.B.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.58.C.One minus the probability of a Type II error equals the power of test .B is correct.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.33老师,我是用排除法选的B,看了其他同学的问题和您的回复,99% a是0.01对应双尾是2.58,那单尾就是0.005?这怎么查出来的呢

2022-12-21 08:24 2 · 回答

NO.PZ2015120604000131 问题如下 Whiof the following scriptions is the least accurate about hypothesis testing? A.A Type II error refers to fail to rejewhen the null is false. B.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.58. C.One minus the probability of a Type II error equals the power of test . B is correct.A one-tailetest with a significanlevel of 1% hz-criticvalues of 2.33 POWER OF TEST 就是test 步骤三么 计算公式那步么。怎么理解C

2022-09-14 15:57 1 · 回答