is Question: 1 pt Use the t-distribution table to find the critical value(s) for

Question

is Question: 1 pt Use the t-distribution table to find the critical value(s) for the indicated alternative hypotheses, level of significance a, and sample sizes ny and ny. Assume independent, normal, and random. Answer parts (a) and (b). (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) (b) Find the critical value(s) assuming that the population variances are not equal. (Type an integer or decimal rounded to three decimal places as needed. Use a comma to separate answers as needed.) F2 F3 F4 F6 F8 F9 F10 F11 F12 s End ? 3 8 0

Explanation / Answer

a)degree of freedom =n1+n2-2=13+11-2=22

critical values =-2.074 ;2.074

b) degree of freedom =min(n1,n2)-1=10

critical values =-2.228 ;2.228

for confidence interval ; std deviation figure is not visible please revert on that.

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