This section shows how to use one variable to predict the other when there is a linear trend.
Vocabulary
Residual - the difference between the observed and predicted values of the response variable.
Line of Best Fit - the line that provides the best predictions for the observed values of the response variable, where the residuals are close to zero.
Slope - the change in y over the change in x.
Page 128
2.187 - 2.190
