a) There is enough evidence to infer that the second method is more consistent than the first method. b) There is not enough evidence to infer that the second method is more consistent than the first method. c) None of the answers are correct

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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An operations manager who supervises an assembly line has been experiencing
problems with the sequencing of jobs. The problem is that bottlenecks are occurring
because of the inconsistency of sequential operations. He decides to conduct an
experiment wherein two different methods are used to complete the same task. He
measures the times (in seconds). The data are listed here.
Method 1
Method 2
8.8 9.6
8.4
9.0
8.3
9.2
9.0
8.7 8.5 9.4
9.2 9.4
8.9
9.6
9.7
8.4
8.8
8.9 9.0 9.7
Can he infer that the second method is more consistent than the first method? Use
5% level of significance.
a) There is enough evidence to infer that the second method is more consistent
than the first method.
b) There is not enough evidence to infer that the second method is more
consistent than the first method.
c) None of the answers are correct
Transcribed Image Text:An operations manager who supervises an assembly line has been experiencing problems with the sequencing of jobs. The problem is that bottlenecks are occurring because of the inconsistency of sequential operations. He decides to conduct an experiment wherein two different methods are used to complete the same task. He measures the times (in seconds). The data are listed here. Method 1 Method 2 8.8 9.6 8.4 9.0 8.3 9.2 9.0 8.7 8.5 9.4 9.2 9.4 8.9 9.6 9.7 8.4 8.8 8.9 9.0 9.7 Can he infer that the second method is more consistent than the first method? Use 5% level of significance. a) There is enough evidence to infer that the second method is more consistent than the first method. b) There is not enough evidence to infer that the second method is more consistent than the first method. c) None of the answers are correct
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