The scores earned in a flower-growing competition are represented in the stem-and-leaf plot. 2 0, 1, 3, 5, 7 3 2, 5, 7, 9 4 5 6 5 Key: 217 means 27 What is the appropriate measure of variability for the data shown, and what is its value? O The IQR is the best measure of variability, and it equals 16. O The range is the best measure of variability, and it equals 45. O The IQR is the best measure of variability, and it equals 45. The range is the best measure of variability, and it equals 16