. Diet and cholesterol level 14 males with high cholesterol given oat bran cereal as part of diet for two weeks, and corn flakes cereal as part of diet for two weeks. A. Based on the data, is there evidence that oat bran cereal significantly lowers cholesterol level compared to corn flakes cereal ? Run the appropriate test at the 5% level of significance. B. What is 95% CI for difference in mean cholesterol level between oat bran cereal diet and corn flakes cereal diet? C. What is the connection between results of question 1 and question 2? Corn Flakes Oat Bran Difference Mean (X ) 4.44 mmol/dL 4.08 0.36 sd (s) 1.0 1.1 0.40