IQ SCores of 50 students are given below. 89 111 104 105 106 104 96 96 116 89 113 93 93 87 86 98 108 13 88 104 92 108 89 95 94 97 89 115 116 103 96 86 88 109 99 99 88 93 86 106 88 118 113 96 93 119 87 85 105 110 (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 (b) Which of the following is the correct histogram for this data?

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