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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:The Ahmadi Corporation wants to increase the productivity of its line workers. Four different
programs have been suggested to help increase productivity. Twenty employees, making up a
sample, have been randomly assigned to one of the four programs and their output for a day's work
has been recorded. You are given the results below. At 95% confidence, conduct the ANOVA test
to determine whether there is a significant difference in the mean output under the four programs.
Program A
Program B
Program C
Program D
150
150
185
175
130
120
120
135
180
160
145
110
Part of the ANOVA table is shown below.
Source of Variation Sum of Squares
8,750
Between Groups
Within Groups
16,350
Total
220
190
180
175
d.f.
19
150
120
130
175
Mean Square

Transcribed Image Text:Refer to Exhibit 1. The mean square error is
O 475
860.53
2916.67
O8750
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