Ovservation 1 2 3 4 5 6

Portland 85 75 82 76 71 85

Houston 71 75 73 74 69 82

Jacksonville 69 74 72 79 85 77

Question

National Bearings manufactures bearings at plants located in Portland Oregon, Houston TX, and Jacksonville Florida. To measure employess knowledge of Total Quality Management (TQM), six employees were randomly selected at plant and tested. The test scores for these employees are given in the data above. Managers want to know if, on average, knowledge of TQM is equal across the 3 plants. Test quality of mean scores at = 0.05.

Choose the correct option below

A. None of the answers are correct

B. Equality of means is not rejected with pvalue 0.295. Knowledge of TQM is equal across the 3 plants.

C. Equality on means is rejected with pvalue 0.010. Knowledge of TQM is not equal across the 3 plants.

D. Equality of means is not rejected with pvalue 0.060. Knowledge of TQM is equal across the 3 plants

E. Equality of means is rejected with pvalue 0.003. Knowledge of TQM is not equal across the 3 plants.