The following MINITAB output presents the results of a hypothesis test for a population mean u. One-Sample T: X Test of mu = 5.5 vs > 5.5 Variable N Mean StDev SE Mean 95% Lower Bound T P х 5 5.92563 0.15755 0.07046 5.77542 6.04 0.002 Is this a one-tailed or two-tailed test? a. b. What is the null hypothesis? Can Ho be rejected at the 1% level? How can you tell? C. d. Use the output and an appropriate table to compute the P-value for the test of Ho: µ 2 6.5 versus H1: µ < 6.5. Use the output and an appropriate table to compute a 99% confidence interval for µ. e.
The following MINITAB output presents the results of a hypothesis test for a population mean u. One-Sample T: X Test of mu = 5.5 vs > 5.5 Variable N Mean StDev SE Mean 95% Lower Bound T P х 5 5.92563 0.15755 0.07046 5.77542 6.04 0.002 Is this a one-tailed or two-tailed test? a. b. What is the null hypothesis? Can Ho be rejected at the 1% level? How can you tell? C. d. Use the output and an appropriate table to compute the P-value for the test of Ho: µ 2 6.5 versus H1: µ < 6.5. Use the output and an appropriate table to compute a 99% confidence interval for µ. e.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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
Transcribed Image Text:The following MINITAB output presents the results of a hypothesis test for a population
mean u.
One-Sample T: X
Test of mu = 5.5 vs > 5.5
Variable N Mean
StDev SE Mean 95% Lower Bound T P
х
5 5.92563 0.15755 0.07046
5.77542
6.04 0.002
Is this a one-tailed or two-tailed test?
a.
b.
What is the null hypothesis?
Can Ho be rejected at the 1% level? How can you tell?
C.
d.
Use the output and an appropriate table to compute the P-value for the test of Ho: µ 2
6.5 versus H1: µ < 6.5.
Use the output and an appropriate table to compute a 99% confidence interval for µ.
e.
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