The IQ scores for a sample of 24 students who are entering their first year of high school are: XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXX XXXXXXXXXXa) Make a cumulative percentage graph using...

The IQ scores for a sample of 24 students who are entering their first year of high school are: 115 119 119 134 121 128 128 152 97 108 98 130 108 110 111 122 106 142 143 140 141 151 125 126 (a) Make a cumulative percentage graph using classes of seven points starting with 96 − 102. (b) What scores are below the 25th percentile? (c) What scores are above the 75th? (d) What is the median score?