Using a significance level of 0.10, test the null hypothesis that μ1−μ2≤0. b. Calculate the p-value. a. What is the alternative hypothesis? A. HA: μ1−μ2≥0 B. HA: μ1−μ2>0 Your answer is correct. Calculate the number of degrees of freedom. df= (Round down to the nearest whole number.) Determine the rejection region for the test statistic t. Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to four decimal places as needed.) A. t> B. t<− C. t< or t> Calculate the value of the test statistic. t= (Round to four decimal places as needed.) b. The p-value is ? (Round to four decimal places as needed.)
Consider the two independently chosen samples shown to the right whose population variances are not equal to each other.
Sample 1 Sample 2
13.4 11.6
11.3 14.5
12.5 10.9
10.1 12.7
14.9 13.2
a.
Using a significance level of 0.10, test the null hypothesis that μ1−μ2≤0.
b.
Calculate the p-value.
a. What is the alternative hypothesis?
A.
HA: μ1−μ2≥0
B.
HA: μ1−μ2>0
Your answer is correct.
Calculate the number of degrees of freedom.
df= (Round down to the nearest whole number.)
Determine the rejection region for the test statistic t. Select the correct choice below and fill in the answer box(es) to complete your choice.
(Round to four decimal places as needed.)
A. t>
B. t<−
C. t< or t>
Calculate the value of the test statistic.
t=
(Round to four decimal places as needed.)
b. The p-value is ?
(Round to four decimal places as needed.)
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