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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 lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.4 6.7 6.7 6.8 7.1 7.3 7.3 7.6 7.7 7.7 o Bank B (individual 4.3 5.3 5.9 6.3 6.7 7.6 7.8 8.5 9.3 9.8 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? O A. There is no significant difference in the variations. O B. The waiting times at Bank B have considerably less variation than the waiting times at Bank A. O C. The waiting times at Bank A have considerably less variation than the waiting times at Bank B.

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 lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.4 6.7 6.7 6.8 7.1 7.3 7.3 7.6 7.7 7.7 o Bank B (individual 4.3 5.3 5.9 6.3 6.7 7.6 7.8 8.5 9.3 9.8 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? O A. There is no significant difference in the variations. O B. The waiting times at Bank B have considerably less variation than the waiting times at Bank A. O C. The waiting times at Bank A have considerably less variation than the waiting times at Bank B.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 21PFA
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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 lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.4 6.7 6.7 6.8 7.1 7.3 7.3 7.6 7.7 7.7 o 4.3 5.3 5.9 6.3 6.7 7.6 7.8 8.5 9.3 9.8 Bank B (individual 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? O A. There is no significant difference in the variations. O B. The waiting times at Bank B have considerably less variation than the waiting times at Bank A. O C. The waiting times at Bank A have considerably less variation than the waiting times at Bank B. Ans
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 lines at three different teller windows are listed below. Find the coefficient of variation for each of the two sets of data, then compare the variation. Bank A (single line): 6.4 6.7 6.7 6.8 7.1 7.3 7.3 7.6 7.7 7.7 o 4.3 5.3 5.9 6.3 6.7 7.6 7.8 8.5 9.3 9.8 Bank B (individual 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? O A. There is no significant difference in the variations. O B. The waiting times at Bank B have considerably less variation than the waiting times at Bank A. O C. The waiting times at Bank A have considerably less variation than the waiting times at Bank B. Ans
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Given data isBank A :-6.4,6.7,6.7,6.8,7.1,7.3,7.3,7.6,7.7,7.7Bank B:-4.3,5.3,5.9,6.3,6.7,7.6,7.8,8.5,9.3,9.8

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