A bank with branches located in a commercial district of a city and in a residential area has the business objective of developing an improved process for serving customers during the noon-to-1 current process. The waiting time is defined as the number of minutes that elapses from when the customer enters the line until he or she reaches the teller window. Data are collected from a ra Click the icon to view the bank branch data. a. Assuming that the population variances from both banks are not equal, is there evidence of a difference in the mean waiting time between the two branches? (Use a = 0.05.) Let ply be the mean waiting time of the commercial district branch and u, be the mean waiting time of the residential area branch. Determine the hypotheses. Choose the correct ar OB. HO: HISH2 A. HO: H1 = His H1 : H 1 > H 2 Hy : My # H 2 OD. HO: My # H2 O C. Ho: H1 2 H2 Hy: P1 = H2 Hy: H1