SOC202H1 Lecture : SOC202 MARCH 27.docx
Document Summary
Correlation oe ass and casuastion are not the same things. String ass may be used as evidence of causal realitonships but they not prove variables are causally releated. The goal of research is to explain why variables vary. The concept of regression builds on other techniques we have already learned. Rehression analsus provides the aboilty to quant the rel importance. Regression how one vriable predicts another x predicts y outcome. Real life not just two variables, regression take in a vairtey of variablkes. A y intercept when x is 0. B is slope or regression coefeccticent for x. Amount y changes for 1 unit of x. E is called the error term not perfectly explain social reality things cant explain. Mean us center of x and y. Y increases 3 units for every of x slope is 3. The realtion is homoscedastic, for rough cugar above line.
