The statistician calculated a linear regression model and plotted the residuals. Based on the residual plot, the statistician decided to exclude one data point. The statistician then recalculated the linear regression model with the set of remaining data points. The result was that the new linear model fit the remaining data more closely than the original model fit the original data. Which data point did the statistician exclude? (4.2, 16.5)
(6.4, 23.1)
(2.3, 11.0)
(8.2, 24.3)