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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UPS 13.7 9.8 0.7 20.2 13.0 4.0 11.9 5.3 5.7 6. 7.7 2.0 2.8 14.8 228 2.5 8.6 3.7 4.1 1.6 0.4 116 7.2 9.8 FedEx DHL