A professor decides to investigate the relationship between midterm exam score and final exam score (in points ) of students in her introductory statistics class after taking a sample of students she finds r2=0.74 and the regression equation is final exam score=40+0.95 a correct interpretation of r2 =0.74 would be ? A) 74% of the predicted final exam scores will be correct B) 74 % of the variation in midterm exam score can be explained by the straight line relationship with final exam score c) 74%of students will have higher final exam scores than midterm exam scores D)74% of the variation in final exam score can be explained by the straight line relationship with midterm exam score
A professor decides to investigate the relationship between midterm exam score and final exam score (in points ) of students in her introductory statistics class after taking a sample of students she finds r2=0.74 and the regression equation is final exam score=40+0.95
a correct interpretation of r2 =0.74 would be ?
A) 74% of the predicted final exam scores will be correct
B) 74 % of the variation in midterm exam score can be explained by the straight line relationship with final exam score
c) 74%of students will have higher final exam scores than midterm exam scores
D)74% of the variation in final exam score can be explained by the straight line relationship with midterm exam score
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