In research and statistics we often hear about one factor being associated or correlated with another factor or health outcome (e.g. overweight and obesity is associated with Type 2 diabetes). We also hear about independent and dependent variables.
a) What is the relationship between the dependent and the independent variable(s)? (2 points)
b) What is (are) the difference(s) between a simple linear regression and a multiple regression? (2 points)