The IQ scores of 50 students are given below. 86 100 104 102 87 93 85 117 107 95 108 90 114 111 118 105 96 113 115 110 90 106 106 98 110 88 113 95 95 97 92 102 98 111 114 94 93 118 103 114 86 101 97 101 89 88 110 119 103 99 (a) Construct a grouped frequency distribution for the data. Use 85-89 for the first class and use the same width for each subsequent class. Class Frequency 85 89