The following data presents the productivity scores of 10 workers before and after acertain training program designed to improve productivity. Higher scores indicate better productivity. Do these data provide sufficient evidence that the training program has improved productivity? Perform a hypothesis test at the 5% significance level.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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The following data presents the productivity scores of 10 workers before and after acertain training program designed to improve productivity. Higher scores indicate better productivity.


Do these data provide sufficient evidence that the training program has improved productivity? Perform a hypothesis test at the 5% significance level.

Worker
2
3
4
5
7
8
10
Before
95
97
105
94
103
97
98
95
100
95
After
105
111
111
106
106
104
105
102
106
102
Transcribed Image Text:Worker 2 3 4 5 7 8 10 Before 95 97 105 94 103 97 98 95 100 95 After 105 111 111 106 106 104 105 102 106 102
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