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this is a statistics problem? A credit manager for Amazon’s baby division claims that the average...

this is a statistics problem?

A credit manager for Amazon’s baby division claims that the average balance for charge account customers is $410. An independent auditor selects a random sample of 18 accounts and found the average balance to be $511.33 and a standard deviation of $183.75. Test the claim that the average account balances are $410 using a 5% significance level.

math   Statistics-And-Probability   
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Hypothesis for mean

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