The following plots are from a simple linear regression model. Residual Plots for y Normal Probability Plot Versus Fits 28 8 9 9 Residual Percent 2 Residual Fitted Value Histogram Versus Order Residual Frequency 10 20 30 40 50 60 70 80 20 100 Residual Observation Order Discuss whether the normal population assumption holds, including the outlier condition. Make sure to refer to the specific plot(s) you are using. BIUSIX X Insert Formula