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Homework answers / question archive / National Bearing manufacturers bearings at plants located in Portland Oregon, Houston Texas, and Jacksonville Florida
National Bearing manufacturers bearings at plants located in Portland Oregon, Houston Texas, and Jacksonville Florida. To measure employee knowledge of Total Quality Management (TQM), 6 employees were randomly selected at each plant and tested. The test scores for these employees are given below. Managers want to know if, on average, knowledge of TQM is equal across the 3 plants. Test quality of mean scores at alpha = 0.05.
| Observation | Portland | Houston | Jacksonville |
|---|---|---|---|
| 1 | 85 | 71 | 69 |
| 2 | 75 | 75 | 74 |
| 3 | 82 | 73 | 72 |
| 4 | 76 | 74 | 79 |
| 5 | 71 | 69 | 85 |
| 6 | 85 | 82 | 77 |
What is the conlcusion?
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