Chapin Manufacturing Company operates 24 hours a day, five days a week. The workers rotate shifts each week. Management is interested in whether there is a difference in the number of units produced when the employees work on various shifts. A sample of five workers is selected and their output recorded on each shift. At the 0.01 significance level, can we conclude there is a difference in the mean production rate by shift or by employee?
Units Produced | |||
Employee | Day | Afternoon | Night |
Skaff | 36 | 25 | 34 |
Lum | 37 | 23 | 38 |
Clark | 24 | 27 | 26 |
Treece | 33 | 25 | 21 |
Morgan | 26 | 21 | 37 |
1. What is your decision regarding H0?
a. For treatments: Reject H0 if F .
b. For blocks: Reject H0 if F>
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