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Difference in Mean Production Rate

The 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 .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 31 25 35
Lum 33 26 33
Clark 28 24 30
Treece 30 29 28
Morgan 28 26 27

Solution Summary

Solution attaches Word and Excel files to perform a hypothesis test deciding whether a company experiences significant differences in production from shift to shift.