A random sample of 30 exam scores yields = 65.7 and s = 6.5. At a = 0.01, test the claim that the standard deviation of test scores exceeds 5.4. 1. The alternate hypothesis is Ha: Oo? > 6.5 Oo> 5.4 Oo? > 5.4 Oo > 6.5 2. This is a O leftO rightO two tailed test with d.f. = 3a. The STS (to 2 decimals) is x 3b. The P-value (to 3 decimals) is: 4a. At a = 0.01, the decision is: O Accept Ho O Do not reject Ho O Accept Ha O Reject Ho 4b. The conclusion is: O There is sufficient evidence to support the claim that the standard deviation of test scores exceeds 5.4

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A random sample of 30 exam scores yields = 65.7 and s = 6.5. At a = 0.01, test the claim that the
standard deviation of test scores exceeds 5.4.
1. The alternate hypothesis is Ha:
Oo? > 6.5
Oo> 5.4
Oo? > 5.4
Oo> 6.5
2. This is a O leftO rightO two tailed test with d.f. =
3a. The STS (to 2 decimals) is x
3b. The P-value (to 3 decimals) is:
4a. At a = 0.01, the decision is:
O Accept Ho
O Do not reject Ho
O Accept Ha
O Reject Ho
4b. The conclusion is:
O There is sufficient evidence to support the claim that the standard deviation of test scores exceeds
5.4
O There is insufficient evidence to reject the claim that the standard deviation of test scores exceeds
Transcribed Image Text:A random sample of 30 exam scores yields = 65.7 and s = 6.5. At a = 0.01, test the claim that the standard deviation of test scores exceeds 5.4. 1. The alternate hypothesis is Ha: Oo? > 6.5 Oo> 5.4 Oo? > 5.4 Oo> 6.5 2. This is a O leftO rightO two tailed test with d.f. = 3a. The STS (to 2 decimals) is x 3b. The P-value (to 3 decimals) is: 4a. At a = 0.01, the decision is: O Accept Ho O Do not reject Ho O Accept Ha O Reject Ho 4b. The conclusion is: O There is sufficient evidence to support the claim that the standard deviation of test scores exceeds 5.4 O There is insufficient evidence to reject the claim that the standard deviation of test scores exceeds
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