Assume that the relation between SAT scores and first-year grade point average (GPA) is stronger than between SAT and second-year GPA.If two scatterplots were constructed to represent these data, how would they compare?
A) The cluster of points for SAT and second-year GPA would more closely approximate a straight line.
B) The cluster of points for SAT and first-year GPA would more closely approximate a straight line.
C) The pattern for both sets of data would be from the upper left portion of the graph to the lower right.
D) The graph for SAT and first-year GPA would have more outliers.

Question

Quizplus · Accepted Answer

Since the relation between SAT scores and first-year GPA is stronger than between SAT and second-year GPA, the cluster of points for SAT and first-year GPA would be more closely packed together and form a tighter linear relationship. Therefore, the scatterplot for SAT and first-year GPA would more closely approximate a straight line.

Assume That the Relation Between SAT Scores and First-Year Grade