Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
Q16: The conditional mean of Y for any
Q17: If the slope of a regression line
Q18: When testing Pearson's r for significance, the
Q19: In the study reported in the text,
Q20: By convention, the independent variable is arrayed
Q22: The text reported information about the relationship
Q23: In regression analysis, the symbol "a" stands
Q24: A researcher wants to measure the strength
Q25: A researcher reports a Pearson r of
Q26: If we calculate an r of .60,