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 mean cholesterol levels between the diet programs using a 5% level of significance.
Diet Program Sample Size Mean Cholesterol Std Dev Cholesterol
Low Carb 50 225.4 24.5
Conventional 75 203.8 21.6© BrainMass Inc. brainmass.com June 3, 2020, 11:57 pm ad1c9bdddf
Step by step method for computing test statistic for independent sample is given in the answer.