The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A6.46.66.76.87.17.37.67.87.87.8Bank B4.35.55.86.16.77.77.78.59.210.0 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation sigma at Bank A. (answer) min less than sigma bank A less than (answer) min
The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A6.46.66.76.87.17.37.67.87.87.8Bank B4.35.55.86.16.77.77.78.59.210.0 Click the icon to view the table of Chi-Square critical values. Construct a 90% confidence interval for the population standard deviation sigma at Bank A. (answer) min less than sigma bank A less than (answer) min
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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The values listed below are waiting times (in minutes) of customers at two different banks. At Bank A, customers enter a single waiting line that feeds three teller windows. At Bank B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions.
Bank A
6.4
6.6
6.7
6.8
7.1
7.3
7.6
7.8
7.8
7.8
Bank B
4.3
5.5
5.8
6.1
6.7
7.7
7.7
8.5
9.2
10.0
Click the icon to view the table of Chi-Square critical values.
Construct a 90% confidence interval for the population standard deviation sigma at Bank A.
(answer) min less than sigma bank A less than (answer) min
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