Question: consider the model GPA = 0 + 1 ACT + u Using the data below compute fitted values and residuals for each observation to determine

consider the model GPA = 0 + 1ACT + u

Using the data below compute fitted values and residuals for each observation to determine the sum of the residuals.

Student GPA ACT
1 2.8 21
2 3.4 24
3 3.0 26
4 3.5 27
5 3.6 29
6 3.0 25
7 2.7 25
8 3.7 30

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