Find the mean and the standard deviation of amount charged

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The Downtown Parking Authority of Tampa, Florida, reported the following information for a sample of 250 customers on the number of hours cars are parked and the amount they are charged. Number of Hours Frequency Amount Charged 1 20 $ 3.00 2 38 6.00 3 53 9.00 4 45 12.00 5 40 14.00 6 13 16.00 7 5 18.00 8 36 20.00 250 Find the mean and the standard deviation of the number of hours parked? How long is a typical customer parked? Find the mean and the standard deviation of the amount charged?

Reference no: EM13219074

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