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9.6: Chapter Formula Review
https://stats.libretexts.org/Courses/Fresno_City_College/Book%3A_Business_Statistics_Customized_(OpenStax)/09%3A_Hypothesis_Testing_with_One_Sample/9.06%3A_Chapter_Formula_Review
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}...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
9.8: Chapter Formula Review
https://stats.libretexts.org/Courses/Fresno_City_College/Introduction_to_Business_Statistics_-_OER_-_Spring_2023/09%3A_Hypothesis_Testing_with_One_Sample/9.08%3A_Chapter_Formula_Review
9.3 Distribution Needed for Hypothesis Testing Sample size Test statistic < 30 ( $\sigma$ unknown) $t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ < 30 ( $\sigma$ known) \(Z_{c}=\frac{\overline{...9.3 Distribution Needed for Hypothesis Testing Sample size Test statistic < 30 ( $\sigma$ unknown) $t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ < 30 ( $\sigma$ known) $Z_{c}=\frac{\overline{X}-\mu_{0}}{\sigma / \sqrt{n}}$ > 30 ( $\sigma$ unknown) $Z_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ > 30 ( $\sigma$ 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
7.19: Chapter Formula Review
https://stats.libretexts.org/Courses/Saint_Mary's_College_Notre_Dame/BFE_1201_Statistical_Methods_for_Finance_(Kuter)/07%3A_Hypothesis_Testing/7.19%3A_Chapter_Formula_Review
9.3 Distribution Needed for Hypothesis Testing Sample size Test statistic $t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ < 30 ( $\sigma$ unknown) \(Z_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}...9.3 Distribution Needed for Hypothesis Testing Sample size Test statistic $t_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ < 30 ( $\sigma$ unknown) $Z_{c}=\frac{\overline{X}-\mu_{0}}{s / \sqrt{n}}$ > 30 ( $\sigma$ 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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