In order to test to see if there is any significant difference in the mean number of units produced per week by each of three production methods, the following data were collected. (Please note that the sample sizes are not equal.)
Method I
Method II
Method III
180
170
162
172
192
166
179
190
?
a.Compute 
.b.At ? = .01, is there any difference in the mean number of units produced per week by each method? Show the complete ANOVA table. Use both the critical and p-value approaches.
What will be an ideal response?
a. 176.375b.
| Source of Variation | SS | df | MS | F | p-value | F critical |
| Between Groups | 481.88 | 2 | 240.94 | 3.52 | 0.111 | 13.27 |
| Within Groups | 342 | 5 | 68.4 | |||
| Total | 823.88 | 7 |
Business
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