Problem 8 A clothing manufacturer purchased some newly designed sewing machines in the hopes that production would be increased. The production records (in units/week) of a random sample of workers are shown below. Worker Old Machine New Machine 59 57 57 62 3 60 61 4. 66 63 69 68 59 63 72 74 52 56 58 64 10 63 64 Let a- 0.05 be the level of significance. Use the Wilcoxon signed-rank test to determine whether the new machines have significantly increased production. What would you conclude if you use the sign test instead? Describe your steps. Can one use the t-test for matched samples for this problem? 5079
Problem 8 A clothing manufacturer purchased some newly designed sewing machines in the hopes that production would be increased. The production records (in units/week) of a random sample of workers are shown below. Worker Old Machine New Machine 59 57 57 62 3 60 61 4. 66 63 69 68 59 63 72 74 52 56 58 64 10 63 64 Let a- 0.05 be the level of significance. Use the Wilcoxon signed-rank test to determine whether the new machines have significantly increased production. What would you conclude if you use the sign test instead? Describe your steps. Can one use the t-test for matched samples for this problem? 5079
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
1

Transcribed Image Text:Problem 8
A clothing manufacturer purchased some newly designed sewing machines in the hopes that production
would be increased. The production records (in units/week) of a random sample of workers are shown
below.
Worker
Old Machine
New Machine
59
57
57
62
61
63
60
66
68
59
72
52
69
6.
63
74
56
58
64
10
63
64
Let a 0.05 be the level of significance. Use the Wilcoxon signed-rank test to determine whether the new
machines have significantly increased production. What would you conclude if you use the sign test
instead? Describe your steps. Can one use the t-test for matched samples for this problem?
12345n 7897
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