3
QuizMultiple Choice
Correlation
Question 3 • DRHS GA-Statistical Reasoning
Graduation rate is one measure used to compare colleges in national publications. One such publication compared semester tuition against graduation rate, defined as the percentage of students who graduate within four years. The value of r for the scatterplot is 0.856.
Answer
A
There is no relationship between tuition and graduation rate.B
Colleges with lower tuition tend to have higher graduation rates.C
Colleges with higher tuition tend to have higher graduation rates.D
There is a weak, positive relationship between tuition and graduation rate.