Copyright © Cengage Learning. All rights reserved. 1 Functions and Their Graphs.
1 MADE Why do we need econometrics? If there are two points and we want to know what relation describes that? X Y.
1 Regression & Correlation (1) 1.A relationship between 2 variables X and Y 2.The relationship seen as a straight line 3.Two problems 4.How can we tell.
THE MULTIPLE REGRESSION MODEL. MULTIPLE REGRESSION In a multiple regression we are trying to evaluate the cumulative effects that changes to more than.
Simple Regression Model
THE MULTIPLE REGRESSION MODEL
1 MADE OLS assumptions and hypothesis testing. 2 MADE What we know about estimation? Do we know the true β’s? –We only know that among linear and unbiased.
Remember linear regression techniques?
Simple Linear Regression
