Men Women P2 A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. 11 59 97 23 F 97.65 F 0.92°F 0.71°F a. Use a 0.01 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? VA. Ho P = P2 OB. Ho H = P2 H P> P2 H P 2 OC. Họ P1 2 P2 O D. Ho P 2 The test statistic, t, is (Round to two decimal places as needed.)

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Men
Women
A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from
normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below.
n
11
59
97.65°F
0.92°F
97.23°F
0.71°F
a. Use a 0.01 significance level to test the claim that men have a higher mean body temperature than women.
What are the null and alternative hypotheses?
'A. Ho: H1=H2
H1: 41> H2
O B. Ho: H1 = H2
H1: Hy # H2
O C. Ho: H12 H2
H1: 41<H2
O D. Ho: H1 H2
H1: H1 <H2
The test statistic, t, is|. (Round to two decimal places as needed.)
Transcribed Image Text:9.2.10-T Question Help Men Women A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. n 11 59 97.65°F 0.92°F 97.23°F 0.71°F a. Use a 0.01 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? 'A. Ho: H1=H2 H1: 41> H2 O B. Ho: H1 = H2 H1: Hy # H2 O C. Ho: H12 H2 H1: 41<H2 O D. Ho: H1 H2 H1: H1 <H2 The test statistic, t, is|. (Round to two decimal places as needed.)
Expert Solution
Step 1

Calculate the Null and Alternate Hypothesis.

Statistics homework question answer, step 1, image 1

 

Step 2

Calculate the pooled standard deviation.

Statistics homework question answer, step 2, image 1

Step 3

Calculate the test statistic.

Statistics homework question answer, step 3, image 1

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