Suppose an economist discovers that the relationship between grades and hours of tutoring is Grade = 60 + 5(Hours). Based on the equation, which statement is true?
A) Tutoring is not worthwhile because each hour raises the grade by only 5 points.
B) If no tutoring is done, then the grade will be zero.
C) The expected grade with 5 hours of tutoring is 85.
D) The relationship between tutoring and grades is weak.

Question

Quizplus · Accepted Answer

The equation Grade = 60 + 5(Hours) shows that with 5 hours of tutoring, the grade would be 60 + 5(5) = 85.

Suppose an Economist Discovers That the Relationship Between Grades and Hours