Questions from Statistics


Q: The P-value for a hypothesis test is shown. Use

The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H0 when the level of significance is a. α = 0.01, b. α = 0.05, and c. α = 0.10. P = 0.1271

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Q: The P-value for a hypothesis test is shown. Use

The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H0 when the level of significance is a. α = 0.01, b. α = 0.05, and c. α = 0.10. P = 0.0107

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Q: The P-value for a hypothesis test is shown. Use

The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H0 when the level of significance is a. α = 0.01, b. α = 0.05, and c. α = 0.10. P = 0.0838

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Q: The P-value for a hypothesis test is shown. Use

The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject H0 when the level of significance is a. α = 0.01, b. α = 0.05, and c. α = 0.10. P = 0.0062

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Q: Find the P-value for the hypothesis test with the standardized

Find the P-value for the hypothesis test with the standardized test statistic z. Decide whether to reject H0 for the level of significance α. Left-tailed test z = -1.32 α = 0.10

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Q: Explain how to find critical values for a t-distribution.

Explain how to find critical values for a t-distribution.

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Q: State whether each standardized test statistic t allows you to reject the

State whether each standardized test statistic t allows you to reject the null hypothesis. Explain. a. t = 1.4 b. t = 1.42 c. t = -1.402

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Q: State whether each standardized test statistic t allows you to reject the

State whether each standardized test statistic t allows you to reject the null hypothesis. Explain. a. t = -1.755 b. t = -1.585 c. t = 1.745

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Q: State whether each standardized test statistic t allows you to reject the

State whether each standardized test statistic t allows you to reject the null hypothesis. Explain. a. t = -1.1 b. t = 1.01 c. t = 1.7

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Q: Test the claim about the population mean µ at the level of

Test the claim about the population mean µ at the level of significance α. Assume the population is normally distributed. Claim: µ = 15; α = 0.01. Sample statistics: x = 13.9, s = 3.23, n = 36

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