Discussion:
Q: A study is conducted to estimate the effect of a low-carbohydrate diet on cholesterol level. In this study, participants' cholesterol levels are measured before starting the program and then again after 6 months on the program. The data are shown below.
Before Program 210 230 190 215 260 200
After 6 Months 215 240 190 200 280 210
Is there a significant increase in cholesterol after 6 months on the low-carbohydrate program? Run the appropriate test at 5% level of significance.