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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 Bank B 6.3 4.1 6.6 5.4 6.7 5.9 6.8 6.1 7.1 6.7 Click the icon to view the table of Chi-Square critical values. 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 A Bank B 6.3 4.1 6.6 5.4 6.7 5.9 6.8 6.1 7.1 6.7 Click the icon to view the table of Chi-Square critical values. min

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
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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 Bank B 6.3 4.1 6.6 5.4 16 6.7 5.9 6.8 6.1 Click the icon to view the table of Chi-Square critical values. 7.1 6.7 min <0Bank B min < (Round to two decimal places as needed.) *** Construct a 99% confidence interval for the population standard deviation o at Bank A. min<Bank Amin (Round to two decimal places as needed.) Construct a 99% confidence interval for the population standard deviation o at Bank B. 7.2 7.6 7.5 7.6 CÚPLA A w 7.7 8.5 www. 4 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? OA. The variation appears to be significantly lower with a single line system. The single-line system appears to be better. B. The variation appears to be significantly lower with a multiple-line system. The single-line system appears to be better. OC. The variation appears to be significantly lower with a multiple-line system. The multiple-line system appears to be better. OD. The variation appears to be significantly lower with a single line system. The multiple-line system appears to be better. 7.7 Ske 9.4 Next 7.7 10.0 D B
Transcribed Image Text: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 Bank B 6.3 4.1 6.6 5.4 16 6.7 5.9 6.8 6.1 Click the icon to view the table of Chi-Square critical values. 7.1 6.7 min <0Bank B min < (Round to two decimal places as needed.) *** Construct a 99% confidence interval for the population standard deviation o at Bank A. min<Bank Amin (Round to two decimal places as needed.) Construct a 99% confidence interval for the population standard deviation o at Bank B. 7.2 7.6 7.5 7.6 CÚPLA A w 7.7 8.5 www. 4 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? OA. The variation appears to be significantly lower with a single line system. The single-line system appears to be better. B. The variation appears to be significantly lower with a multiple-line system. The single-line system appears to be better. OC. The variation appears to be significantly lower with a multiple-line system. The multiple-line system appears to be better. OD. The variation appears to be significantly lower with a single line system. The multiple-line system appears to be better. 7.7 Ske 9.4 Next 7.7 10.0 D B
Area to the right of the critical value D Degrees of Freedom 1 APR 13 2 3 4 5 6 7 8 9 10 11 12 Chi-Square (X2) Distribution 0.995 - 0.010 0.072 0.207 0.412 0.676 0.989 1.344 1.735 2.156 2.603 3.074 6 (O 0.99 0.020 0.115 0.297 0.554 0.872 1.239 1.646 2.088 2.558 3.053 3.571 0.975 0.001 0.051 0.216 0.484 0.831 1.237 1.690 2.180 2.700 3.247 3.816 4.404 Print Area to the Right of the Critical Value 0.95 0.004 103 0.352 0.711 1.145 1.635 2.167 2.733 3.325 3.940 4.575 5.226 0.90 0.016 0.211 0.584 1.064 1.610 2.204 2.833 3.490 4.168 4.865 5.578 6.304 Done LTOO 0.10 2.706 4.605 6.251 7.779 9.236 10.645 12.017 13.362 14.684 15.987 17.275 18.549 A 19.675 0.05 5.991 7.815 9.488 11.071 12.592 14.067 15.507 16.919 18.307 21.026 ATTERY 3.841 0.025 5.024 7.378 9.348 11.143 12.833 14.449 16.013 Ske 17.535 19.023 20.483 21.920 23.337 Text be to - X ong be
Transcribed Image Text:Area to the right of the critical value D Degrees of Freedom 1 APR 13 2 3 4 5 6 7 8 9 10 11 12 Chi-Square (X2) Distribution 0.995 - 0.010 0.072 0.207 0.412 0.676 0.989 1.344 1.735 2.156 2.603 3.074 6 (O 0.99 0.020 0.115 0.297 0.554 0.872 1.239 1.646 2.088 2.558 3.053 3.571 0.975 0.001 0.051 0.216 0.484 0.831 1.237 1.690 2.180 2.700 3.247 3.816 4.404 Print Area to the Right of the Critical Value 0.95 0.004 103 0.352 0.711 1.145 1.635 2.167 2.733 3.325 3.940 4.575 5.226 0.90 0.016 0.211 0.584 1.064 1.610 2.204 2.833 3.490 4.168 4.865 5.578 6.304 Done LTOO 0.10 2.706 4.605 6.251 7.779 9.236 10.645 12.017 13.362 14.684 15.987 17.275 18.549 A 19.675 0.05 5.991 7.815 9.488 11.071 12.592 14.067 15.507 16.919 18.307 21.026 ATTERY 3.841 0.025 5.024 7.378 9.348 11.143 12.833 14.449 16.013 Ske 17.535 19.023 20.483 21.920 23.337 Text be to - X ong be
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