QUESTIONS: Assignment 3 1. Write the estimated equations for both models (the equation of the line for model1 and model2. (50 points) 2. Does the variable "cyl" explain well the variability in "mpg"? explain why. (25points) 3. Does the variable "hp" explain well the variability in "mpg"? explain why. (25 points) Call: lm(formula = mpg cyl, data = mtcars) Residuals: Min 1Q Median 3Q Max -4.9814 -2.1185 0.2217 1.0717 7.5186 Coefficients: Estimate Std. Error t value Pr(>It!) (Intercept) 37.8846 2.0738 18.27