A college student whose parents do not have an income is expected to earn a negative GPA.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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Consider a simple OLS model that regresses college GPA (gpa) on high school GPA (hsgpa) and
parental income (pincome, in $1000 per month).
B₁ + B₂hsgpa + B3pincome + e.
Empirical estimation using observations generates the following STATA output.
gpa =
Source
Model
Residual
Total
gpa
hsgpa
pincome
_cons
SS
1273.27041
671.879965
df
Coef. Std. Err.
.6866603 .0103571
.3033177
.0066108
-.6697239 .0358777
Which statement below is incorrect?
MS
Number of obs
F(2, 3997)
Prob > F
R-squared
Adj R-squared
Root MSE
t P>|t|
=
=
=
4,000
[95% Conf. Interval]
A college student whose parents do not have an income is expected to earn a negative GPA.
High school GPA is a significant contributing factor to college GPA.
Besides high school GPA and parental income, there exist other factors that affect college GPA.
Every $1000 increase in parental income is expected to raise a student's college GPA by 0.303.
Transcribed Image Text:Consider a simple OLS model that regresses college GPA (gpa) on high school GPA (hsgpa) and parental income (pincome, in $1000 per month). B₁ + B₂hsgpa + B3pincome + e. Empirical estimation using observations generates the following STATA output. gpa = Source Model Residual Total gpa hsgpa pincome _cons SS 1273.27041 671.879965 df Coef. Std. Err. .6866603 .0103571 .3033177 .0066108 -.6697239 .0358777 Which statement below is incorrect? MS Number of obs F(2, 3997) Prob > F R-squared Adj R-squared Root MSE t P>|t| = = = 4,000 [95% Conf. Interval] A college student whose parents do not have an income is expected to earn a negative GPA. High school GPA is a significant contributing factor to college GPA. Besides high school GPA and parental income, there exist other factors that affect college GPA. Every $1000 increase in parental income is expected to raise a student's college GPA by 0.303.
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