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Below are the times (in days) it takes for a sample of 6 customers from Chris' computer store to pay their invoices. 37, 20, 13,

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Below are the times (in days) it takes for a sample of 6 customers from Chris' computer store to pay their invoices. 37, 20, 13, 32, 21, 33 Send data to calculator Find the standard deviation of this sample of times. Round your answer to two decimal places

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