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Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual ines at three dfferent teler wndows are isted btelow Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.6 6.7 6.8 6.8 Bank B (individual 7.0 7.4 7.4 7.7 7.7 7.7 O 4.1 5.5 5.7 6.2 6.7 7.7 7.7 8.4 9.3 9.7 lines): C The coefficient of variation for the waiting times at Bank A is %. (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is %. (Round to one decimal place as needed.) Is there a difference in variation between the two data sets? O A. There is no significant difference in the variations. B. The waiting times at Bank A have considerably less variation than the waiting times at Bank B. O C. The waiting times at Bank B have considerably less variation than the waiting times at Bank A

Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual ines at three dfferent teler wndows are isted btelow Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.6 6.7 6.8 6.8 Bank B (individual 7.0 7.4 7.4 7.7 7.7 7.7 O 4.1 5.5 5.7 6.2 6.7 7.7 7.7 8.4 9.3 9.7 lines): C The coefficient of variation for the waiting times at Bank A is %. (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is %. (Round to one decimal place as needed.) Is there a difference in variation between the two data sets? O A. There is no significant difference in the variations. B. The waiting times at Bank A have considerably less variation than the waiting times at Bank B. O C. The waiting times at Bank B have considerably less variation than the waiting times at Bank A

MATLAB: An Introduction with Applications
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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Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual ines at three different teler wndows are isted below Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.6 6.7 6.8 6.8 7.0 7.4 7.4 77 7.7 7.7 o Bank B (individual 4.1 5.5 5.7 6.2 6.77.7 7.7 8.4 9.3 9.7 lines): %. The coefficient of variation for the waiting times at Bank A is (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is %. (Round to one decimal place as needed.) Is there a difference in variation between the two data sets? A. There is no significant difference in the variations. B. The waiting times at Bank A have considerably less variation than the waiting times at Bank B O C. The waiting times at Bank B have considerably less variation than the waiting times at Bank A
Transcribed Image Text:Waiting times (in minutes) of customers at a bank where all customers enter a single waiting line and a bank where customers wait in individual ines at three different teler wndows are isted below Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.6 6.7 6.8 6.8 7.0 7.4 7.4 77 7.7 7.7 o Bank B (individual 4.1 5.5 5.7 6.2 6.77.7 7.7 8.4 9.3 9.7 lines): %. The coefficient of variation for the waiting times at Bank A is (Round to one decimal place as needed.) The coefficient of variation for the waiting times at the Bank B is %. (Round to one decimal place as needed.) Is there a difference in variation between the two data sets? A. There is no significant difference in the variations. B. The waiting times at Bank A have considerably less variation than the waiting times at Bank B O C. The waiting times at Bank B have considerably less variation than the waiting times at Bank A
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