Question: In a statistics course a linear regression equation was computed to predict the final exam score from the score on the first test. The equation

In a statistics course a linear regression equation was computed to predict the final exam score from the score on the first test. The equation of the least-squares regression line was

y = 20 + 0.8 x

where y represents the final exam score and x is the score on the first exam.

Suppose Joe scores a 80 on the first exam. What would be the predicted value of his score on the final exam?

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