Question

The following table shows the weight of randomly selected packages shipped by FedEx, UPS, and DHL. These data can also be found in the Excel file package weight.xlsx.
a. Perform a one way ANOVA using α = 0.05 to determine if there is a difference in the average package weights shipped by these three delivery companies.
b. If warranted, perform a multiple comparison test to determine which pairs are different using α = 0.05.
c. Verify your results with Excel or PHStat.


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  • CreatedJuly 28, 2015
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