9. Simple Linear Regression: Simple Linear Regression
Assessing the Quality of a Regression Model
Consider the regression equation #\hat{Y}=22.8-4.2X# and the following data points:
- #(2, 20)#
- #(1, 19)#
- #(3, 1)#
- #(5, 5)#
| #X_i# | #Y_i# | #\hat{Y}_i# | #e_i# |
| #2# | #20# | ||
| #1# | #19# | ||
| #3# | #1# | ||
| #5# | #5# |
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