2. Scores from a recent exam have been recorded and ordered from low to high below. First, create a box and whiskers plot of the data, making certain to clearly identify Q1, Q2, Q3 & Q4 on your graph. Then use this data to answer the questions on the following page. [10 pts] Index Score Index Score 65 21 80 2 66 22 81 67 23 83 4 68 85 5 68 25 89 69 26 90 69 27 90 70 28 90 71 29 91 10 72 30 92 11 73 31 92 12 75 32 94 13 76 33 95 14 77 34 95 15 77 35 96 16 78 36 97 17 79 37 98 18 79 38 99 19 80 39 99 20 80 40 1001QR= Q3-Q1 a. What is the Interquartile Range (IQR) for this data? b. Mary scored an 83 on the exam. What percent of students did she outperform? c. Calculate the 60" percentile for this data