Question

The results shown below are mean productivity measurements (average number of assemblies completed per hour) for a random sample of workers at each of three work stations.
(a) At α = .05, is there a difference in median productivity? Use MegaStat, MINITAB, or a similar computer package for the calculations.
(b) Use one-factor ANOVA to compare the means. Do you reach the same conclusion?
(c) Make a histogram or other display of the pooled data. Does the assumption of normality seem justified?


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  • CreatedAugust 19, 2015
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