ASSIGNMENT. An IQ test was administered to 18 persons before and after they were trained. The results are given IQ before training: 110 115 120 123 132 below: 130 117 116 110 125 127 133 120 130 122125 132 112. IQ after training: 120 118 125 136 121 130 129 132 128 120 115 109 132 128 124 126 130 115. Test whether there is any change in IQ after the training programme? Given that value of t for 17 degrees of freedom at 11 level of significance is 2.90.