Discussion Board: Regression Step 1.) Provide a setting for fellow students to estimate a regression model with two variables and 4 observations. Step 2.) Provide detailed solutions to your initial post. You will need to provide detailed calculations for both coefficients, each of the four predicted values, and each of the four residuals.Dependent variable: Body MaSS IIdex (BMI) independent variable: Physical Activity (minutes) 4 sample data points: BIII24183128Activity(min) 20703530.