ch4 - Introduction to Linear Regression(SW Chapter 4 The...

Info icon This preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
4-1 Introduction to Linear Regression (SW Chapter 4) The class size/test score policy question: What is the effect on test scores of reducing STR by one student/class? Object of policy interest: Test score STR This is the slope of the line relating test score and STR
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon