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A regression analysis between hours studied for an exam (x) and the grade on the exam (y) has resulted in the following least squares line: = 40 +
A regression analysis between hours studied for an exam (x) and the grade on the exam (y) has resulted in the following least squares line: = 40 + 3x. Which of the following statements is true? (Linear Regression)
For each additional 3 hours studied, we predict the exam grade to increase by 1 points.
For each additional 1 hour studied, we predict the exam grade to increase by 3 points.
For each additional 1 hour studied, we predict the exam grade to increase by 40 points.
For each additional 3 hours studied, we predict the exam grade to decrease by 40 points
