Construct a 95% confidence interval for the population standard deviation σ at Bank Amin< σ Bank A < min(Round to two decimal places as needed)Construct a 95% confidence interval for the population standard deviation σ at Bank Bmin< σ Bank B< min(Round to two decimal places as needed)Interpret the results found in the previous parts. Do the confidence intervals suggest a difference in the variation among waiting times? Does the single-line system or the multiple-line system seem to be a better arrangement?The variation appears to be significantly lower with a multiple-line system. The multiple-line system appears to be better.The variation appears to be significantly lower with a multiple-line system. The single-line system appears to be better. 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 differentlines that have formed at three teller windows. Answer the following questions.Bank A6.46.66.76.87.17.67.87.87.8Bank B4.25.55.76.26.77.78.59.310.0

Given data, Bank A Bank B 6.4 4.2 6.6 5.5 6.7 5.7 6.8 6.2 7.1 6.7 7.3 7.7 7.6 7.7…

Answered: Construct a 95% confidence interval for…

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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Question

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Construct a 95% confidence interval for the population standard deviation σ at Bank A

min< σ Bank A < min

(Round to two decimal places as needed)

Construct a 95% confidence interval for the population standard deviation σ at Bank B

min< σ Bank B< min

(Round to two decimal places as needed)

Interpret the results found in the previous parts. Do the confidence intervals suggest a difference in the variation among waiting times? Does the single-line system or the multiple-line system seem to be a better arrangement?

The variation appears to be significantly lower with a multiple-line system. The multiple-line system appears to be better.
The variation appears to be significantly lower with a multiple-line system. The single-line system appears to be better.