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9.5: 章节公式回顾

  • Page ID
    205036
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    9.3 假设检验所需的分布

    \ (\ pageIndex {6}\) 均值检验、不同样本量、总体已知或未知的检验统计量” >
    样本量测试统计数据
    < 30
    \(\sigma\)未知)
    \(t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}\)
    < 30
    \(\sigma\)已知)
    \(Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}\)
    > 30
    \(\sigma\)未知)
    \(Z_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}\)
    > 30
    \(\sigma\)已知)
    \(Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}\)
    表均\(\PageIndex{6}\)值检验、不同样本量、总体已知或未知的检验统计量