Many homeowners rely on handymen to perform small jobs such
Many homeowners rely on handymen to perform small jobs, such as repairs or maintenance, around their residence. According to HomeAdvisor Inc., the average cost for a handyman project varies substantially between the cities of New York, Chicago, Denver, and Atlanta. To test this claim, a random sample of handyman projects from each city was selected and can be found in the Excel file handyman.xlsx.
a. Using α = 0.01, test to determine if a difference exists in the average cost of handyman projects in these four cities.
b. If appropriate, perform a multiple comparison test to determine which pairs are different using α = 0.01.
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