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. 
Which of the following is the value of the test statistic for testing the joint significance of the linear regression model?
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