Question

Goodwin and Gold is testing three automated routing procedures designed to reduce operational delays in the company’s main fabricating plant. In the test, 12 orders were randomly selected. Four of the orders were randomly assigned Procedure 1, four others were assigned Procedure 2, and the remaining four were assigned Procedure 3. Delay times for each of the three samples are given below:
a. Use the sample data to test the null hypothesis that average delay times for the three populations represented here are the same. Use a significance level of 5%. (Use Expression 13.2 to compute the within groups sum of squares (SSW) for your analysis.)
b. Show the proper ANOVA table summarizing your work in part a.


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  • CreatedJuly 16, 2015
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