Mathematics, 21.05.2021 03:30 gigipalacio32
Use the data in GPA1 for this exercise.
(i) Add the variables mothcoll and fathcoll to the equation estimated and report the results in the usual form. What happens to the estimated effect of PC ownership? Is PC still statistically significant?
(ii) Test for joint significance of mothcoll and fathcoll in the equation from part (i) and be sure to report the p-value.
(iii) Add hsGPA2 to the model from part (i) and decide whether this generalization is needed.
Equation:
colGPA = 1.26 + 1.57 PC + .447hsGPA + 0.0087 ACT
(.33) (.057) (.094) (.0105)
n = 141, R2 = .219
Answers: 3
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Use the data in GPA1 for this exercise.
(i) Add the variables mothcoll and fathcoll to the equation...
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