A Researcher Studies the Relationship Between SAT Scores, the Test-Taker's

Multiple Choice

A researcher studies the relationship between SAT scores, the test-taker's family income, and his or her grade point average (GPA) . Data are collected from 24 students. He estimates the following model: SAT = β₀ + β₁ GPA + β₂ Income + ε. The following table summarizes a portion of the regression results. At the 5% significance level, which of the following explanatory variable(s) is(are) individually significant?

A) Only Income.
B) Both, GPA and Income.
C) Only GPA.
D) Neither GPA nor Income.