Assume that both populations are normally distributed. (a) Test whether u, #, at the a =0.01 level of significance for the given sample data. (b) Construct a 99% confidence interval about u, -H. Should the null hypothesis be rejected? OA. Do not reject Ho, there is sufficient evidence to conclude that the two populations have differont means. O B. Do not reject Hy. there is not sufficient evidence to conclude that the two populations have different means. O C. Reject Ho, there is not sufficient evidence to conclude that the two populations have different means. D. Reject Ho, there is sufficient evidence to conclude that the two populations have different means. (b) Construct a 99% confidence interval about 4, - H.

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Assume that both populations are normally distributed.
(a) Test whether u, #, at the a= 0.01 level of significance for the given sample data.
(b) Construct a 99% confidence interval about u, -.
Population 1
Population 2
15
15
17.7
24.4
P- U.UUT (ROUnu LU uree uuciidl Places as TieeQuu.)
5.1
5.3
Should the null hypothesis be rejected?
O A. Do not reject H, there is sufficient evidence to conclude that the two populations have different means.
OB. Do not reject H, there is not sufficient evidence to conclude that the two populations have different means.
OC. Reject Ho, there is not sufficient evidence to conclude that the two populations have different means.
D. Reject H, there is sufficient evidence to conclude that the two populations have different means.
(b) Construct a 99% confidence interval about u, -H2:
We are 99% confident that the mean difference is between
(Round to two decimal places as needed. Use ascending order.)
and
Transcribed Image Text:EQuestion Help Assume that both populations are normally distributed. (a) Test whether u, #, at the a= 0.01 level of significance for the given sample data. (b) Construct a 99% confidence interval about u, -. Population 1 Population 2 15 15 17.7 24.4 P- U.UUT (ROUnu LU uree uuciidl Places as TieeQuu.) 5.1 5.3 Should the null hypothesis be rejected? O A. Do not reject H, there is sufficient evidence to conclude that the two populations have different means. OB. Do not reject H, there is not sufficient evidence to conclude that the two populations have different means. OC. Reject Ho, there is not sufficient evidence to conclude that the two populations have different means. D. Reject H, there is sufficient evidence to conclude that the two populations have different means. (b) Construct a 99% confidence interval about u, -H2: We are 99% confident that the mean difference is between (Round to two decimal places as needed. Use ascending order.) and
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