Refer to Exhibit 1. The mean square error is O 475 860.53 2916.67 O8750

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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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: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
Refer to Exhibit 1. The mean square error is
O 475
860.53
2916.67
O8750
Transcribed Image Text:Refer to Exhibit 1. The mean square error is O 475 860.53 2916.67 O8750
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