Here is some sample data that is already in a stem-and-leaf plot: 1 | 7 2 | 3 | 3 7 4 | 3 5 5 6 5 | 1 1 3 4 4 6 | 1 6 9 9 Key: 3|1 is 31 Find the following, up to 3 decimal places where necessary. a. Median b. Range