Question 8 (1 point) Consider a scenario where you have two samples. Sample 1 co

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Question 8 (1 point)

Consider a scenario where you have two samples. Sample 1 contains 50 observations, has the sample average value of 38 and the sample standard deviation of 2.5. Sample 2 contains 50 observations, has the sample average of 39 and the sample standard deviation of 2.0. Based on this information, please conduct a 90% significance test for the equality of the two population variances.

Question 8 options:

Fail to reject the null that the two sigmas are equal

Reject the null that the two sigmas are equal

none of the above

Question 9 (1 point)

Consider the dataset below. It includes two samples. Please conduct a 90% significance test for the equality of the two population variances.

Question 9 options:

The test rejects the null hypothesis that the two populations have equal variances

The test fails to reject the null hypothesis that the two populations have equal variances

None of the above

Fail to reject the null that the two sigmas are equal

Reject the null that the two sigmas are equal

none of the above

Question 9 (1 point)

Consider the dataset below. It includes two samples. Please conduct a 90% significance test for the equality of the two population variances.

Sample 1 Sample 2 38 41 39 35 36 38 33 42 38 39 37 40 35 37

Question 9 options:

The test rejects the null hypothesis that the two populations have equal variances

The test fails to reject the null hypothesis that the two populations have equal variances

None of the above

Explanation / Answer

Solution :-
8) option A) Fail to reject the null that the two sigmas are equal

9) option B) The test fails to reject the null hypothesis that the two populations have equal variances.

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