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. What is the P-value?
d. Use the output and an appropriate table to compute the P-value for the test of H0 :μ ?? 73.6 versus H1 :μ < 73.6.
e. Use the output and an appropriate table to compute a 99% confidence interval for μ.
Transcribed Image Text:
One -Sample Z: X Test of mu = 73.5 vs not = 73.5 The assumed standard deviation = 2.3634 Variable Mean 145 73.2461 2.3634 StDev SE Mean 95% CI 0.1963 (72.8614, 73.6308) -1.29 0.196
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a Twotailed The alternate hypothesis is of the form 0 b H 0 735 c P 0196 d X 732...View the full answer
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