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 6.3 6.6 6.7 6.8 7.1 7.3 7.5 7.9 7.9 7.9 Bank B 4.3 5.5 5.8 6.2 6.6 7.8 7.8 8.5 9.4 10.0 Construct a 90% confidence interval for the population standard deviation
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 6.3 6.6 6.7 6.8 7.1 7.3 7.5 7.9 7.9 7.9 Bank B 4.3 5.5 5.8 6.2 6.6 7.8 7.8 8.5 9.4 10.0 Construct a 90% confidence interval for the population standard deviation
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
|
6.3
|
6.6
|
6.7
|
6.8
|
7.1
|
7.3
|
7.5
|
7.9
|
7.9
|
7.9
|
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Bank B
|
4.3
|
5.5
|
5.8
|
6.2
|
6.6
|
7.8
|
7.8
|
8.5
|
9.4
|
10.0
|
Construct
a
90%
confidence interval for the population standard deviation
σ
at Bank A and one for bank bExpert Solution
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