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In a teacher's math course, a linear regression linewas calculated to predict a student's final exam scorefrom the score he received on the midterm. Theequation was 'y = 25.5 + 0.82 where y is thefinal exam score and x is the score on the midterm.AJ scored 90 on the first test.What is the predicted value of his score on the finalexam?- 90?- 95?- 97.5?- 100?- Or none of these

Respuesta :

The regression equation is

[tex]y=25.5+0.8x[/tex]

Aj score 90 on the 1st test. so

[tex]y=25.5+0.8\times90=25.5+72=97.5[/tex]

So he scored 97.5 in the final exam.

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