Chapter 3: Examining Relationships . 3.1 Scatterplots 3.2 Correlation 3.3 Least-Squares Regression. Relationship Between Fiber Tenacity and Fabric Tenacity. Variable Designations. Which variable is the dependent variable ? Our text uses the term response variable .
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3.3 Least-Squares Regression
Note placement of response and explanatory variables. Also note
axes labels and plot title.
1- r2 = 0.28
r = 0.85, r2 = 0.72