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A STAT 200 instructor believes that the average quiz score is a good predictor of final examscore.A random sample of10studentsproduced the following data where xis

A STAT 200 instructor believes that the average quiz score is a good predictor of final examscore.A random sample of10studentsproduced the following data where

xis theaverage quizscore andyis the final exam score.

x805060100708540657580 y72756590608550607590

a)Find an equation of the least squares regression line. (b)Based on the equation from part (a), what is the predicted final exam score if the average quiz score is90?

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