a ghed 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
a ghed 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
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
Related questions
Question
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F703a50ff-8f5d-40ba-8eea-f13205fb216a%2F180e8bab-c1db-4348-a78d-06f4b9dd25b7%2Fq0wzn3b_processed.jpeg&w=3840&q=75)
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 appropriate the null and alternative hypotheses are
Ο Ηo:μι = μη = 13 = M4
Ηα: μι # με # M3 7 μα
Ο Ηo:μι = μ2 = Mg = με
Ha: Not all the population means are equal.
O Ho: M1 M2 ‡ M3 ‡ MA
Ha: All the population means are equal.
-
Ο Ho: μι = μη = 13
Ha: Not all the population means are equal.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F703a50ff-8f5d-40ba-8eea-f13205fb216a%2F180e8bab-c1db-4348-a78d-06f4b9dd25b7%2Fuh4svl7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Refer to Exhibit 1. The appropriate the null and alternative hypotheses are
Ο Ηo:μι = μη = 13 = M4
Ηα: μι # με # M3 7 μα
Ο Ηo:μι = μ2 = Mg = με
Ha: Not all the population means are equal.
O Ho: M1 M2 ‡ M3 ‡ MA
Ha: All the population means are equal.
-
Ο Ho: μι = μη = 13
Ha: Not all the population means are equal.
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