A study is conducted to compare mean cholesterol levels for individuals following a low carbohydrate diet for at least 6 months to individuals following a conventional (low fat low calorie) diet for at least 6 months. Test if there is a significant difference in the mean cholesterol levels between the diet programs using a 5% level of significance. Low Carb: Sample Size = 50 Mean Cholesterol = 225.4 St Dev Cholesterol = 24.5 Conventional: Sample Size = 75 Mean Cholesterol = 203.8 St Dev Cholesterol = 21.6