Exhibit 10-2 The following information was obtained from matched samples. The daily production rates for a sample of workers before and after a training program are shown below. Worker Before After 1 20 25 2 25 25 3 27 28 4 23 22 5 22 24 20 22 7 17 21 22. Refer to Exhibit 10-2, test to see if worker's scores before and after training were different with a 0.01 level of significance a. null hypothesis should be rejected b. null hypothesis should not be rejected c. alternative hypothesis should be accepted d. None of these alternatives is correct.
Exhibit 10-2 The following information was obtained from matched samples. The daily production rates for a sample of workers before and after a training program are shown below. Worker Before After 1 20 25 2 25 25 3 27 28 4 23 22 5 22 24 20 22 7 17 21 22. Refer to Exhibit 10-2, test to see if worker's scores before and after training were different with a 0.01 level of significance a. null hypothesis should be rejected b. null hypothesis should not be rejected c. alternative hypothesis should be accepted d. None of these alternatives is correct.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Exhibit 10-2
The following information was obtained from matched samples.
The daily production rates for a sample of workers before and after a training program are shown below.
Worker
Before
After
1
20
25
2
25
25
3
27
28
4
23
22
5
22
24
20
22
7
17
21
22. Refer to Exhibit 10-2, test to see if worker's scores before and after training were different with a 0.01 level of significance
a. null hypothesis should be rejected
b. null hypothesis should not be rejected
c. alternative hypothesis should be accepted
d. None of these alternatives is correct.
Transcribed Image Text:Exhibit 10-12
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned
to the 3 treatments. You are given the results below.
A
B
20
22
20
30
26
17
25
20
18
33
28
19
23. Refer to Exhibit 10-12. The test statistic (F) to test the null hypothesis equals
a. 0.41
b. 5.91
с. 4.68
O d. 1.23
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