在总体均值和总体比率的区间估计中，边际误差由（）确定。 -题库考试答案搜索网

在总体均值和总体比率的区间估计中，边际误差由（）确定。

单选题

2021-07-17 23:57

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: ; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">置信水平</span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: ; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">统计量的抽样标准差</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: ; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">置信水平和统计量的抽样标准差</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-bidi-font-family: ; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">统计量的抽样方差</span>

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正确答案

C

试题解析

标签：电子商务高起专数据库原理与应用 2020级第一学期期末考试

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