【单选题】【消耗次数:1】
反映抽样指标与总体指标之间抽样误差可能范围的指标是( )。
抽样平均误差
抽样极限误差
抽样误差系数
概率度。
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相关题目
【单选题】 反映抽样指标与总体指标之间抽样误差可能范围的指标是( )
①  抽样平均误差
②  抽样极限误差
③  抽样误差系数
④  概率度
【判断题】 抽样平均误差反映抽样误差的一般水平,每次抽样的误差可能大于抽样平均误差,也可能小于抽样平均误差。
①  正确
②  错误
【单选题】 抽样平均误差反映了样本指标与总体指标之间的
①  实际误差
②  实际误差的绝对值
③  平均误差程度
④  可能误差范围
【判断题】 在抽样推断中,抽样误差的概率度越大,则抽样极限误差就越大于抽样平均误差。
①  正确
②  错误
【判断题】 抽样极限误差可能小于、大于或等于抽样平均误差。
①  正确
②  错误
【单选题】 抽样平均误差比抽样极限误差( )。
① 
② 
③  相等
④  不一定
【判断题】 抽样平均误差总是小于抽样极限误差。
①  正确
②  错误
【单选题】 反映均数抽样误差的统计指标是( )
①  标准差
②  标准误
③  变异系数
④  方差
【单选题】 抽样误差最大的抽样方式是( )。
①  分层抽样
②  等距抽样
③  整群抽样
④  简单随机抽样
【单选题】 抽样误差最大的抽样方式是( )
①  分层抽样
②  等距抽样
③  整群抽样
④  简单随机抽样
随机题目
【单选题】 ______ either you or I good at drawing?
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【单选题】 Don’t _______ our hopes. As long as we pull together, we’ll make it.
①  give up
②  give out
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【单选题】 Every morning, Tim often sees groups of middle-aged women _______ in the square.
①  dance
②  to dance
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【单选题】 We decided to _______ to help the sick children with their homework.
①  go to the hospital
②  went to a hospital
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【单选题】 You should _______ your shoes before you enter the dancing room.
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【单选题】 There are ________ people in front of the cinema gate so we have to wait ________ time to get into the cinema.
①  too much; much too
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③  much too; too much
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