Use the following scenario to answer the question below A
Use the following scenario to answer the question below: 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 = 15 M = 55 S2 = 6.5Ethnic Group B: N = 23 M = 51 S2 = 4.5What is the pooled estimate of the population variance?A. [(14 / 36) (6.5)] + [(22 / 36) (4.5)] = 5.28B. [(15 / 38) (6.5)] + [(23 / 38) (4.5)] = 5.29C. [(15 / 23) (6.5)] + [(23 / 15) (4.5)] = 11.14D. [(14 / 22) (6.5)] + [(22 / 14) (4.5)] = 11.21