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A large oil company is studying the number of gallons of gasoline purchased per customer at self-service pumps. The mean number of gallons is 11.2,
A large oil company is studying the number of gallons of gasoline purchased per customer at self-service pumps. The mean number of gallons is 11.2, with a standard deviation of 3.0 gallons. The median is 12.25 gallons. What is Pearson's coefficient of skewness in this instance?
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