A small pilot study is conducted to investigate the effect of anutritional supplement on total body weight. Six participants agreeto take the nutritional supplement. To assess its effect on bodyweight, weights are measured before starting the supplementationand then after 6 weeks. The data are shown below. Is there asignificant increase in body weight following supplementation? Runthe test at a 5% level of significance, assuming the outcome isnormally distributed. (enter 1 for “yes”, and 0 for “no”)
Subject | Initial Weight | Weight after 6 Weeks |
1 | 155 | 157 |
2 | 142 | 145 |
3 | 176 | 180 |
4 | 180 | 175 |
5 | 210 | 209 |
6 | 125 | 126 |