Davis Outboard Motors Inc. recently developed an epoxy painting process for corrosion
Chapter 0, Problem 23(choose chapter or problem)
Davis Outboard Motors Inc. recently developed an epoxy painting process for corrosion protection on exhaust components. Bill Davis, the owner, wishes to determine whether the lengths of life for the paint are equal for three different conditions: saltwater, freshwater without weeds, and freshwater with a heavy concentration of weeds. Acceleratedlife tests were conducted in the laboratory, and the number of hours the paint lasted before peeling was recorded. Freshwater Saltwater Freshwater with Weeds 167.3 160.6 182.7 189.6 177.6 165.4 177.2 185.3 172.9 169.4 168.6 169.2 180.3 176.6 174.7 Use the Kruskal-Wallis test and the .01 level to determine whether the lasting quality of the paint is the same for the three water conditions
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