Suppose a dependent variable depends only on a constant (Bo) so your model is: yi = β0 + ui where ui is an error term. Please derive the OLS estimator for β0. (In order to derive this estimator, you will need to set up a minimization problem and use calculus to find the estimator that minimizes the sum of squared residuals.)

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points)part b: is the point (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)