Questions 28-29: You have collected data on heights, in inches,from 41 males and 52 females. The sample standard deviations formales and females are, respectively, 6.1 and 4.9.
28. Find the appropriate test statistic to test equality ofvariances between the genders.: *
(A) 0.2541
(B) 1.2449
(C) 1.5498
(D) 7.5939
29. On what distribution would you obtain the p-value?: *
(A) The F distribution with degrees of freedom 41 and 52.
(B) The T distribution with degrees of freedom 91.
(C) The T distribution with degrees of freedom 40.
(D) The chi-square distribution with degrees of freedom 1.
(E) The F distribution with degrees of freedom 40 and 51.
30. You conduct a two-tailed hypothesis test, which turns out tobe significant at α = 0.03. A corresponding confidence interval forthe same test would have what confidence?: *
(A) 3%
(B) 95%
(C) 97%
(D) 97.5%
