The following simple random sample of grades has been obtained: 42 67 68 70 71 78 79 80 81 84 86 86 89 99 99 a) Calculate the five-number summary 42 70 81 86 99 42 70 80 86 99 41 70 80 86 100 42 70.5 80 86 99 Question 2 (7 points) The following simple random sample of grades has been obtained: 42 67 68 70 71 78 79 80 81 84 86 86 89 99 99 b) Are there outliers? If so, point them out