Question 4 52%|\" is the ______ and Szmmm'g i5 the _____ . C: Weighted average of the estimates of the population variances; Variance of the distribution of differences between means D Standard deviation of the distribution of the distribution of differences between means; weighted average of the estimates of the population variances (:1 Standard deviation of the distribution of differences between means; variance of each distribution of means (:1 1variance of each distribution of means; standard deviation of the distribution of differences between means Question 5 2 pts Which of the following is the incorrect way for a t test for independent means to be reported in a research article? O independent t(37): 5.7, p: significant O t(37) = 5.7, p = .002Question 6 2 pts For the following problem, please round to two decimal places: A social psychologist interested in cultural differences compared women of two ethnic groups on a Role Approval Index on which high scores indicated high degrees of approval of one's own social role. The results were as follows. Ethnic Group A: N = 11, M = 55, S = 4.9; Ethnic Group B: N = 12, M = 52, S = 4.5. If a t test for independent means is conducted, how many degrees of freedom will be used to locate the cutoff score in the t table