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A credit reporting agency claims that the mean credit card debt in a town is greater...

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Basic Math

A credit reporting agency claims that the mean credit card debtin a town is greater than $3500. A random sample of the credit carddebt of 20 residents in that town has a mean credit card debt of$3619 and a standard deviation of $391. At ?=0.10, can the creditagency’s claim be supported?

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