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Pipeline operators estimate that it costs between $75and $500 in U.S. currency to replace each seal thusmaking the Clarkson longer-lasting valves moreattractive. Tyco does business with pipeline companies around theworld. Suppose in an attempt to develop marketingmaterials Tyco marketers are interested in determiningwhether there is a signicant difference in the cost ofreplacing pipeline seals in different countries. Fourcountries Canada Colombia Taiwan and the UnitedStatesare chosen for the study. Pipeline operatorsfrom equivalent operations are selected from companiesin each country. The operators keep a cost log of sealreplacements. A ran- dom sample of the data follows. Usethese data to help Tyco determine whether there is adifference in the cost of seal replacements in thevarious countries. Explain your answer and tell howTyco might use the information in their marketingmaterials.