Lessons for Topic 5.5
r squared and the standard deviation of the residualsThe share of the variation in the response that the regression line accounts for.Lesson
The least squares criterion and its lineThe line is chosen to make the total of the squared vertical misses as small as possible.Lesson
Least squares regressionThe line that makes the squared vertical misses as small as possible.Lesson
Reading regression outputFinding the slope, intercept, residual spread and r squared in a printed regression table.Lesson
Slope from r and the spreads, and regression to the meanThe slope is r times the ratio of the response spread to the explanatory spread.Lesson