The manager of Cines California affirms that the average duration of type A comedy films exceed the average length of type B horror movies in at least 15 minutes. Paraca verify this claim, 15 films of each type are tested under similar conditions, obtaining that the film of Type A comedy has an average duration of 86.7 minutes with a variance of 36 minutes, while the film of Type B terror has an average duration of 77.8 minutes with a 25 minute variance. Test the manager's claim with the use of a level of 0.01

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The manager of Cines California affirms that the average duration of
type A comedy films exceed the average length of
type B horror movies in at least 15 minutes. Paraca
verify this claim, 15 films of each type are tested
under similar conditions, obtaining that the film of
Type A comedy has an average duration of 86.7 minutes
with a variance of 36 minutes, while the film of
Type B terror has an average duration of 77.8 minutes with a
25 minute variance. Test the manager's claim with the
use of a level of 0.01

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