The article "The Average American Is in Credit Card Debt, No Matter the Economy"† states that in 2015, the average credit card debt for Americans between the age of 18 and 65 was $4,717. You are interested in determining if there is evidence that the mean credit card debt in the current year is greater than the known average from 2015. Q, Question Type: Estimation or hypothesis testing? estimationhypothesis testing     S, Study Type: Sample data or experiment data? sample dataexperiment dat

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