A small pilot study is conducted to investigate the effect of a nutritional supplement on total body weight. Six participants agree to take the...

A small pilot study is conducted to investigate the effect of a nutritional supplement on total body weight. Six participants agree to take the nutritional supplement. To assess its effect on body weight, weights are measured before starting the supplementation and then after 6 weeks. The data are shown below. Is there a significant increase in body weight following supplementation? Use a paired t-test at a 5% level of significance.