Alarge oil company is studying the number of gallons of gasoline purchased per customer at self-service pumps. the mean number of gallons is 8 with a standard deviation of 3 gallons. the median is 10.75 gallons. what is the pearson's coefficient of skewness? rev: 03_01_2013_qc_27450+ 2.75+ 1.00−1.00−2.75

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude