Listed below are the salaries, in thousands of dollars, for a sample of 15 chief financial officers in the electronics Industry: $525.0 563.0 529.0 493.0 955.0 555.0 504.0 584.0 579.0 511.0 500.0 492.0 583.0 1534.0 a, Determine the mean, the median, and the standard deviation. (Round the final answers to 2 decimal places.) Mean Median Standard deviation b. Determine the coefficient of skewness. (Round the final answer to 3 decimal places.) Coefficient of skewness