"D. Compare and contrast the three CIs in (B)"

B. Compare and contrast the distribution of IQ scores by gender

 

 

IQ scores for boys and girls. Here are the IQ test scores of 31 seventh-grade girls in a Midwest school district: 114 100 104 89 108 130 120 132 111 103 74 112 105 102 91 114 114 103 111 128 118 119 86 72 107 103 98 96 112 112 93 The IQ test scores of 47 seventh-grade boys in the same district are 111 107 100 107 115 111 97 112 104 106 113 109 113 128 128 118 113 124 127 136 106 123 102 110 120 103 115 107 105 105 110 124 126 116 123 79 127 119 97 119 110 110 93 77 90 114 106