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A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, µ, of the normal population from which the sample was drawn. Ho: μ≤ 2.85, Ha: μ > 2.85, x = 3.26, s = 1.0, n = 9, a = 0.05 Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Reject Ho. There is sufficient evidence to support the claim that the mean is greater than 2.85. ○ Test statistic: t = 1.23. Critical value: t = 1.860. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85.

A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, µ, of the normal population from which the sample was drawn. Ho: μ≤ 2.85, Ha: μ > 2.85, x = 3.26, s = 1.0, n = 9, a = 0.05 Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Reject Ho. There is sufficient evidence to support the claim that the mean is greater than 2.85. ○ Test statistic: t = 1.23. Critical value: t = 1.860. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85.

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 58CR
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A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, µ, of the normal population from which the sample was drawn. Ho: μ≤ 2.85, Ha: μ> 2.85, x = 3.26, s = 1.0, n = 9, α = 0.05 Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Reject Ho. There is sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85.
Transcribed Image Text:A sample mean, sample standard deviation, and sample size are given. Perform the required hypothesis test about the mean, µ, of the normal population from which the sample was drawn. Ho: μ≤ 2.85, Ha: μ> 2.85, x = 3.26, s = 1.0, n = 9, α = 0.05 Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Reject Ho. There is sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.860. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85. Test statistic: t = 1.23. Critical value: t = 1.645. Do not reject Ho. There is not sufficient evidence to support the claim that the mean is greater than 2.85.
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