Multiple Choice
A drug company wanted to test a new arthritis medication. The researchers found 500 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. Identify the experimental units.
A) the 500 adults aged 25-35
B) the percentage who had decreased arthritis symptoms
C) the drug (medication or placebo)
D) the one month treatment time
Correct Answer:

Verified
Correct Answer:
Verified
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