The following is a set of data from a sample of n = 5. 1 -9 -5 13 0 a. Compute the mean, median, and mode. b. Compute the range, variance, and standard deviation. a. The mean is - 1.8. (Type an integer or a decimal. Do not round.) Determine the median. The median is 1 (Type an integer or a decimal. Do not round.) Determine 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 1. (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) O B. There is no mode for this data set. b. The range is 12 . (Type an integer or a decimal. Do not round.) The variance is 25.2. (Round to two decimal places as needed.) The standard deviation is 5.02 (Round to two decimal places as needed.)