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Asked Jan 25, 2020
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Technology. In Exercises 9–12, test the given claim by using the display provided from technology. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P-value (or range of P-values), or critical value(s), and state the final conclusion that addresses the original claim.

Body Temperatures Data Set 3 “Body Temperatures” in Appendix B includes 93 body temperatures measured at 12AM on day 1 of a study, and the accompanying XLSTAT display results from using those data to test the claim that the mean body temperature is equal to 98.6°F. Conduct the hypothesis test using these results.

For Exercise 10

 

Difference
t(Observed value)
It| (Critical value)
-0.476
-7.102
1.986
DF
92
p-value (Two-tailed) <0.0001
alpha
0.05
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Difference t(Observed value) It| (Critical value) -0.476 -7.102 1.986 DF 92 p-value (Two-tailed) <0.0001 alpha 0.05

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Expert Answer

Step 1

Given:

From the data,

Null and Alternative Hypotheses:

Statistics homework question answer, step 1, image 1
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Step 2
Statistics homework question answer, step 2, image 1
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Step 3

This corresponds to a two-tail test, for which a t-test for one mean, with unknown population standard deviation will be used.

The number of degrees of freedom are df = n-1 = 93-1...

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