<prompt> Total cholesterol level ab calorie intake c physical activity d body mass index; is an example of :Simple linear regressionSimple curvilinear regressionMultiple linear regressionMultiple logistic regression  <response>: The total cholesterol level in the given question is shown to depend on several multiple independent variables viz. calorie intake, physical activity and body mass index. It is thus an example of multiple regression. Also the relationship depicted in the equation is not logarithmic log but linear and hence multiple linear regression is the answer here. Ref: High Yield Biostatistics By Anthony Glaser, Page 49 