The following sections, materials and problem sets were taken from the free open
source textbook Introduction to Data Analysis (2nd edition) by Matt Teachout.
Chapter 6 Introduction
Explanatory & Response Variables, Scatterplots: Section 6A Problems 6A
Correlation Coefficient, Strength & Direction: Section 6B Problems 6B
Confounding Variables, r-squared, Multiple Variables: Section 6C Problems 6C
Regression Line, Slope, Y-intercept: Section 6D Problems 6D
Residuals, Standard Deviation of Residual Errors, Residual Plots: Section 6E Problems 6E
Predictions, Prediction Error, Extrapolation: Section 6F Problems 6F
Chapter 6 Review Sheet
College of the Canyons
Canyon Country Campus
17200 Sierra Highway
Santa Clarita, CA 91351
(661) 362-3800
Introduction to Data Analysis (2nd Edition)
Chapter 6: Linear Quantitative Relationships
College of the Canyons
Valencia Campus
26455 Rockwell canyon road
Santa Clarita, CA 91355
(661) 259-7800
matt Teachout
College of the Canyons Math Department