(10) Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results. When investigating times required for drive-through service, the following results (in seconds) were obtained. Restaurant A 120 67 89 97 124 68 72 96 Restaurant B 115 126 49 56 98 76 78 95 Restaurant A: 57 sec; 493.98 sec2; 22.23 sec Restaurant B: 56 sec; 727.98 sec2; 32.89 sec There is more variation in the times for restaurant B. O Restaurant A: 57 sec; 793.98 sec2; 28.18 sec Restaurant B: 77 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant A. O Restaurant A: 75 sec; 493.98 sec2; 22.23 sec Restaurant B: 70 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant B. Restaurant A: 57 sec; 493.98 sec2; 22.23 sec Restaurant B: 77 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant B.
(10) Find the range, variance, and standard deviation for each of the two samples, then compare the two sets of results. When investigating times required for drive-through service, the following results (in seconds) were obtained. Restaurant A 120 67 89 97 124 68 72 96 Restaurant B 115 126 49 56 98 76 78 95 Restaurant A: 57 sec; 493.98 sec2; 22.23 sec Restaurant B: 56 sec; 727.98 sec2; 32.89 sec There is more variation in the times for restaurant B. O Restaurant A: 57 sec; 793.98 sec2; 28.18 sec Restaurant B: 77 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant A. O Restaurant A: 75 sec; 493.98 sec2; 22.23 sec Restaurant B: 70 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant B. Restaurant A: 57 sec; 493.98 sec2; 22.23 sec Restaurant B: 77 sec; 727.98 sec2; 26.98 sec There is more variation in the times for restaurant B.
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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Transcribed Image Text:(10) Find the range, variance, and standard deviation for each of the two samples, then compare the
two sets of results.
When investigating times required for drive-through service, the following results (in seconds) were
obtained.
Restaurant A
120
67 89 97 124 68 72 96
Restaurant B
115 126 49 56 98 76 78 95
Restaurant A: 57 sec; 493.98 sec2; 22.23 sec
Restaurant B: 56 sec; 727.98 sec2; 32.89 sec
There is more variation in the times for restaurant B.
O Restaurant A: 57 sec; 793.98 sec2; 28.18 sec
Restaurant B: 77 sec; 727.98 sec2; 26.98 sec
There is more variation in the times for restaurant A.
O Restaurant A: 75 sec; 493.98 sec2; 22.23 sec
Restaurant B: 70 sec; 727.98 sec²; 26.98 sec
There is more variation in the times for restaurant B.
Restaurant A: 57 sec; 493.98 sec2; 22.23 sec
Restaurant B: 77 sec; 727.98 sec2; 26.98 sec
There is more variation in the times for restaurant B.
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