The U.S. Bureau of Labor Statistics conducts regular surveys to determine how Americans are spending their money.

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The U.S. Bureau of Labor Statistics conducts regular surveys to determine how Americans are spending their money. The annual expenditures for vehicle insurance of a random sample of American households in 2012, 2013, and 2014 were recorded. Is there sufficient evidence to infer that the expenditures differed in the three tear period?

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