A statistician collected the following data to explore the relationship between two variables, x and y. X
2.3
4.2
5.1
6.4
8.2
8.5
y
11.0
16.5
19.2
23.1
24.3
29.5
The statistician performed a linear regression and also plotted the residuals.
• Based on the residual plot, the statistician decided to exclude one data point.
The statistician then performed linear regression on 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 de
Which data point did the statistician exclude?