Exploring OLS
Five moveable points
-- Click ShowMeanLine to show line with equation y = mean y value of points
-- Click ShowMeanResiduals to show squared residuals of y mean line
-- Click Show FitLine to show line and equation of line of best fit
-- Click Show FitLine Residuals to show line of best fit residuals
-- Click Calcs to show how r-squared is calculated
Move points to explore interrelationships