Chapter 4: More about Relationships in 2 variables Ms. Namad.
Regression Wisdom Chapter 9 Objectives: Extrapolation Outlier Leverage Influential Point Lurking Variables.
Copyright © 2010 Pearson Education, Inc. Chapter 9 Regression Wisdom.
+ Scatterplots and Correlation Displaying Relationships: ScatterplotsThe most useful graph for displaying the relationship between two quantitative variables.
1-1 Copyright © 2015, 2010, 2007 Pearson Education, Inc. Chapter 8, Slide 1 Chapter 8 Regression Wisdom.
Chapter 9 Regression Wisdom math2200. Sifting residuals for groups Residuals: ‘left over’ after the model How to examine residuals? –Residual plot: residuals.
Copyright © 2010, 2007, 2004 Pearson Education, Inc. Chapter 9 Regression Wisdom.
Chapter 4: More on Two-Variable (Bivariate) Data.
Remedial measures … or “how to fix problems with the model” Transforming the data so that the simple linear regression model is okay for the transformed.
Find the Least Squares Regression Line and interpret its slope, y-intercept, and the coefficients of correlation and determination Justify the regression.
Inflow Performance Relationship Wiggins, M.L
Fixing problems with the model Transforming the data so that the simple linear regression model is okay for the transformed data.
