Question Below:

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 sewing customers during the noontol FtM. lunch peiiod. Management decides to rst studyI the waiting time in the current process. The waiting time is dened asthe 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 random sample of 15 customers at each branch. Complete parts (a) through (d) below. a Click the icon to View the bank branch data. 0 Waiting Time Data X 4]. Assuming that the population variances from both a = 0.1.} n waiting time between the two branches? {Use Commercial Residential 9 Let [l1 be the mean waiting time of the commercial dis 4 35 9 51 lial area branch. Deten'nine the hypotheses. Choose the correct answer below. 545 53]" 3.55 3.51 , 5.13 5.5? A. H . 2 ' H\". \"14.": 4.53 3.53 1- F1 \"2 2.46 3.54 ,9 . = 3.33 3.53 " C' \"0' "I "2 3.42 3.55 H1: 31\": 4.54 10.54 5.22 5.54 Find the test statistic. 0.53 5.3T 5.1? 4.51 15m = D 3.?3 3.33 (Round to two decimal places as needed.) 5.52 9.55 3.52 5.25