Before beginning and upon completion of a four-week exercise program, the weights of ten students were taken. Use the data given below to test the claim that there is no difference in the pre-weight and the post-weight. Use a 5% level of significance. Hint: Samples are dependent. Use techniques learned in section 11.2. Student Pre-weight post-weight 118 123 2 126 131 3 134 132 162 157 180 181 173 170 125 127 00 137 137 157 155 10 165 169