问题详情

若甲单位的平均数比乙单位的平均数小,但甲单位的标准差比乙单位的标准差大,则(      )。


A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">甲单位的平均数代表性比较大</span><span style="FONT-FAMILY: ; FONT-SIZE: 12pt"></span>

B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: ">甲单位的平均数代表性比较小</span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: \'Times New Roman\'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: \'Times New Roman\'"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: \'Times New Roman\'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'">两单位的平均数代表性一样大</span></span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: \'Times New Roman\'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: \'Times New Roman\'; mso-hansi-font-family: \'Times New Roman\'">无法判断</span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'"><span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">两单位的平均数代表性一样大</span></span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 12pt; mso-ascii-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-bidi-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">无法判断</span>

时间:2021-07-18 00:08 关键词: 教育学 专升本 教育统计与测量 作业1

答案解析

B