MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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9.2 Q1
K
Listed below are the numbers of years that archbishops and monarchs in a certain country lived after their election or coronation. Assume that the two
samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are
equal. Use a 0.01 significance level to test the claim that the mean longevity for archbishops is less than the mean for monarchs after coronation. All
measurements are in years.
Click the icon to view the table of longevities of archbishops and monarchs.
The test statistic is
(Round to two decimal places as needed.)
(Round to three decimal places as needed.)
The P-value is
State the conclusion for the test.
OA. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs.
OB. Reject the null hypothesis. There is not sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs.
O c. Reject the null hypothesis. There is sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs.
OD. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs.
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Transcribed Image Text:K Listed below are the numbers of years that archbishops and monarchs in a certain country lived after their election or coronation. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal. Use a 0.01 significance level to test the claim that the mean longevity for archbishops is less than the mean for monarchs after coronation. All measurements are in years. Click the icon to view the table of longevities of archbishops and monarchs. The test statistic is (Round to two decimal places as needed.) (Round to three decimal places as needed.) The P-value is State the conclusion for the test. OA. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs. OB. Reject the null hypothesis. There is not sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs. O c. Reject the null hypothesis. There is sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs. OD. Fail to reject the null hypothesis. There is sufficient evidence to support the claim that archbishops have lower mean longevity than monarchs.
Longevities of Archbishops and Monarchs
18
Archbishops
17 16
13 14
14
Monarchs 16 16 15
14
13
16
Print
17
14
18
2
17
17
16
9
17
Done
18
14
18
12 16
13
4
12
14
14 11 D
23
17
18
17
onation. Assume that the two
- X population standard deviations are
narchs after coronation. All
ulation 2 consists of the longevity of
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Transcribed Image Text:Longevities of Archbishops and Monarchs 18 Archbishops 17 16 13 14 14 Monarchs 16 16 15 14 13 16 Print 17 14 18 2 17 17 16 9 17 Done 18 14 18 12 16 13 4 12 14 14 11 D 23 17 18 17 onation. Assume that the two - X population standard deviations are narchs after coronation. All ulation 2 consists of the longevity of
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