A study found that parenting classes were closely related to a child's performance in school. Each week of parenting classes taken by a child's parents raised their high school GPA by 0.23 points. With an intercept of 1.68, what could parents who attended 8 weeks of classes expect to see in their child's subsequent GPA?
A) 2.52
B) 3.21
C) 3.52
D) 3.79

Question

Quizplus · Accepted Answer

The equation for the line is GPA = 1.68 + 0.23 * weeks. Plugging in 8 for weeks, we get GPA = 1.68 + 0.23 * 8 = 3.52.

A Study Found That Parenting Classes Were Closely Related to a Child's