Question

You are testing H_o: μ = 0 versus H_a: μ ≠ 0 based on a SRS of 11 observations from a Normal population. What values of the t* statistic are statistically significant at the α = .005 level?

A. t* > 3.169

B. t* < -3.169

C. t* > 3.581

D. t* < -3.169 or t* > 3.169

E. t* < -3.581

F. t* < -3.581 or t* > 3.581

You are testing H_o: μ= 12 versus H_a: μ<12 based on a SRS of 25 observations from a Normal population. The data states that x -bar = 10 and Sx = 3. The value of the t* statistic is:

A. -4.17

B. -3.33

C. 10

D. 3

E. 12

Answer 1