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 0.05 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 39 22 32 Lum 38 21 36 Clark 28 28 31 Treece 31 25 23 Morgan 27 21 27 For treatments: Reject Ho if F > . (Round your answer to 2 decimal places.) For blocks: Reject Ho if F > . (Round your answer to 2 decimal places.) Decision by shift: difference in the mean production rate. Decision by employee: difference in the mean production rate.