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A random sample of 330 adults asked the maximum amount they would spend on a ticket to a top-rated performance gave the following results, where

A random sample of 330 adults asked the maximum amount they would spend on a ticket to a top-rated performance gave the following results, where x is the cost and fis the number of people who would spend that amount. x 20 30 40 50 60 f 62 83 120 40 25 A. Compute the sample mean. B. Compute the sample variance. C. Compute the sample standard deviation.

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