9. Bank A and Bank B have each developed an improved process for serving customers. The waiting period from the moment a customer enters until he or she reaches the counter needs to be shortened. A random sample of 10 customers is selected from each bank and the results (in minutes) are shown in the accompanying data table. Complete parts (a) through (d). 12 Click the icon to view the table. a. Assuming that the population variances from both banks are equal, is there evidence of a difference in the mean waiting time between the two branches? (Use a = 0.05.) Determine the hypotheses. Let u, be the mean waiting time of bank A and u, be the waiting time of bank B. Choose the correct answer below. O A. Ho: H1 SH2 H;: H1> H2 B. Ho: H1 H2 OC. Ho: H1 2 H: H1
9. Bank A and Bank B have each developed an improved process for serving customers. The waiting period from the moment a customer enters until he or she reaches the counter needs to be shortened. A random sample of 10 customers is selected from each bank and the results (in minutes) are shown in the accompanying data table. Complete parts (a) through (d). 12 Click the icon to view the table. a. Assuming that the population variances from both banks are equal, is there evidence of a difference in the mean waiting time between the two branches? (Use a = 0.05.) Determine the hypotheses. Let u, be the mean waiting time of bank A and u, be the waiting time of bank B. Choose the correct answer below. O A. Ho: H1 SH2 H;: H1> H2 B. Ho: H1 H2 OC. Ho: H1 2 H: H1
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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