9.6: Chapter Formula Review

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    9.3 Distribution Needed for Hypothesis Testing

    Sample size Test statistic
    (\(\sigma\) unknown) \(t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}\)
    (\(\sigma\) known) \(Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}\)
    Table \(\PageIndex{6}\) Test Statistics for Test of Means, Varying Sample Size, Population Known or Unknown

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