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

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.