A company is evaluating the effectiveness of two different training programs to
ID: 3228474 • Letter: A
Question
A company is evaluating the effectiveness of two different training programs to speed up the production process. The employees were placed into three groups and their assembly times were recorded in minutes.
No Training
Training Method 1
Training Method 2
44
48
38
47
52
35
43
43
42
51
39
47
57
49
40
42
41
38
50
37
36
46
40
39
44
45
35
45
41
Test the hypothesis at the .01 level that there is no difference in the population mean times for the three groups.
What is your critical value for step 2?
Select one:
a. 5.53.
b. 7.72.
c. 4.82.
d. 4.64.
No Training
Training Method 1
Training Method 2
44
48
38
47
52
35
43
43
42
51
39
47
57
49
40
42
41
38
50
37
36
46
40
39
44
45
35
45
41
Explanation / Answer
Since 0.0023 < 0.01, the result is significant. There is a significant difference between the training methods
Critical f score =FINV(0.01, 2, 26) = 5.53
Option A.
One factor ANOVA Mean n Std. Dev 46.9 10 4.58 No Training 43.8 9 5.07 Training Method 1 39.1 10 3.67 Training Method 2 43.2 29 5.42 Total ANOVA table Source SS df MS F p-value Treatment 307.95 2 153.977 7.77 .0023 Error 515.36 26 19.821 Total 823.31 28Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.