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- September 13, 2020
- By menge

The table below gives a small set of data. Which of the following two lines fits the data better:

y(hat) = 1-x

y(hat) = 3-2x

Use the least squares critereon to justify your answer. (note: Neither of these two lines is the least-squares regression line for these data)

X | -1 | 1 | 1 | 3 | 5 |

Y | 2 | 0 | 1 | -1 |
-5 |