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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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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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
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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