A drug company wanted to test a new arthritis medication. The researchers found 700 adults aged 25-35 andrandomly assigned them to two groups. The first group received the new drug, while the second received aplacebo. After one month of treatment, the percentage of each group whose arthritis symptoms decreased wasrecorded and compared. What is the response variable in this experiment?
A) the percentage who had decreased arthritis symptoms
B) the type of drug (medication or placebo)
C) the 700 adults aged 25-35
D) the one month treatment time

Question

Quizplus · Accepted Answer

The response variable is the outcome that the researchers are measuring, which in this case is the percentage of participants whose arthritis symptoms decreased after treatment.

A Drug Company Wanted to Test a New Arthritis Medication