Residual Plots and Normal Probability Plot Location Residual Plot Facilities Residual Plot Age(years) Residual Plot 15000 15000 15000 10000 10000 10000 Residuals 5000 Residuals 5000 Residuals 5000 2 6 -5000 10 12 2 4 6 -5000 10 12 60 80 100 -5000 Location Facilities Age(years) Staff/Service Residual Plot X1 Residual Plot X2 Residual Plot 15000 15000 15000 1 (0MX) 10000 10000 Residuals 5OOD Residuals 5000 Residuals 5000 H 8.5 -5000 10 0.2 0.4 0.6 0.8 -5000 1.2 0.2 0.4 0.6 0.8 1.2 Staff/Service -5000 X1 X2Residual Plots and Normal Probability Plot X3 Residual Plot X9 Residual Plot X10 Residual Plot 15000 15000 15000 10000 10000 10000 $ Residuals 5000 Residuals 5OOD Residuals 5000 0.2 0.4 0.6 0.8 1.2 0.2 0.4 0.6 0.8 1.2 -5000 -5000 0.2 0.4 0.6 0.8 1.2 -5000 X3 X9 X10 X11 Residual Plot Normal Probability Plot 15000 20000 10000 15000 10000 Price (In HKD) Residuals 5000 5000 0.2 0.4 0.6 0.8 1.2 0 20 40 60 80 100 120 -5000 X11 Sample Percentile