Information and IdeasHardSupporting a claim about per-person figures
Information and Ideas practice question
Two branches of a library:
East branch: 12,000 visits, 4 staff
West branch: 9,000 visits, 2 staff
A manager claims that the West branch handles more visits per member of staff than the East branch. Which choice most effectively uses data from the table to support the claim?
- A. The West branch handles 4,500 visits per staff member (9,000 ÷ 2), compared with 3,000 at the East branch (12,000 ÷ 4).Correct
- B. The East branch has more visits in total than the West branch.
- C. The West branch has 2 staff.
- D. The East branch has twice as many staff as the West branch.
Answer: A. The West branch handles 4,500 visits per staff member (9,000 ÷ 2), compared with 3,000 at the East branch (12,000 ÷ 4).
The claim is per staff member; choice A computes that figure for both branches.
Why the other answers are wrong
- B. The East branch has more visits in total than the West branch.
- Total visits say nothing about visits per staff member.
- C. The West branch has 2 staff.
- A staff count with no visits figure.
- D. The East branch has twice as many staff as the West branch.
- The staff ratio alone doesn't give visits per staff member.
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