Discussion:
Q: A study was performed to determine if males who quit exercising gain weight.
Eight male adults were weighed before they stopped exercising. They were weighed five weeks after they stopped exercising.
Is there sufficient evidence at alpha = 0.05 that the males who quit exercising gain weight?
Subject 1 2 3 4 5 6 7 8
After 154 181 151 120 131 130 121 128
Before 148 176 153 116 129 128 120 132