2
QuizMultiple Choice
The Relationship between Two Quantitative Variables
Question 2 • CA-Statistics and Probability A
Medical researchers noticed that when the amount of the active ingredient within a patient’s allergy medicine is increased, the patients taking that medicine report higher levels of relief from their allergy symptoms. The data in the table show various levels of the active ingredient (in milligrams) and a score (from 0 to 10) indicating the level of allergy relief experienced for a sample of patients.
Answer
A
A graph titled active ingredient and allergy relief has active ingredient (milligrams) on the x-axis, and relief score on the y-axis. Points match those in the table.
B
A graph titled active ingredient and allergy relief has relief score on the x-axis, and active ingredient (milligrams) on the y-axis.
C
A graph titled active ingredient and allergy relief. The x and y-axes are not labeled.
D
A graph titled active ingredient and allergy relief has active ingredient (milligrams) on the x-axis, and relief score on the y-axis. There is no scale on the x- or y-axes.