The data set below contains the number of workers in a cohort of rising organisations wages in thousand dollars. 13 18 23 40 40 4 a) Compute the mean, median, and the mode. b) Compute the range, variance, standard deviation, and the coefficient of variation. a) Compute the mean. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mean is (Type an integer or decimal rounded to two decimal places as needed.) B. There is no mean for this data set. Compute the median. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median is (Type an integer or decimal rounded to one decimal places as needed.) OB. There is no median for this data set. Compute the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode(s) is/are (Type an integer or decimal rounded to two decimal places as needed. Use a comma to separate answers as needed.) OB. There is no mode for this data set. b) Compute the range The range is (Type an integer or decimal rounded to two decimal places as needed.) Compute the variance. The variance is (Type an integer or decimal rounded to two decimal places as needed.) Compute the standard deviation. The standard deviation is (Type an integer or decimal rounded to two decimal places as needed.) Compute the coefficient of variation. The coefficient of variation is %. (Type an integer or decimal rounded to two decimal places as needed.)