The following MINITAB output presents the results of a hypothesis test for a population mean . a.

Question:

The following MINITAB output presents the results of a hypothesis test for a population mean μ.

a. Is this a one-tailed or two-tailed test?

b. What is the null hypothesis?

c. Can H₀ be rejected at the 1% level? How can you tell?

d. Use the output and an appropriate table to compute the P-value for the test of H₀ :μ ?? 6.5 versus H₁ :μ < 6.5.

e. Use the output and an appropriate table to compute a 99% confidence interval for μ.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 16, 2018 05:37 AM

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The following MINITAB output presents the results of a hypothesis test for a population mean . a.

Question:

One-Sample T: X Test of mu = 5.5 vs > 5.5 95% Lower Bound 5.77542 SE Mean Variable X Mean 5.92563 StDev 0.15755 0.07046 6.04 0.002

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a Onetailed The alternate hypothesis is of the form 0 b H ...View the full answer

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