Information and IdeasVery hardRecognising which comparison a claim requires
Information and Ideas practice question
Complaints received by two bus routes last year:
Route 1: 60 complaints, 1,200,000 passengers
Route 2: 45 complaints, 600,000 passengers
A transport official claims that Route 1 gave passengers less cause for complaint than Route 2. Which choice most effectively uses data from the table to support the claim?
- A. Route 1 received 5 complaints per 100,000 passengers, compared with 7.5 for Route 2.Correct
- B. Route 1 received more complaints than Route 2.
- C. Route 1 carried twice as many passengers as Route 2.
- D. Route 2 received 45 complaints.
Answer: A. Route 1 received 5 complaints per 100,000 passengers, compared with 7.5 for Route 2.
Per-passenger rates: 60/12 = 5 and 45/6 = 7.5 per 100,000.
Why the other answers are wrong
- B. Route 1 received more complaints than Route 2.
- Raw counts point the wrong way and ignore passenger numbers.
- C. Route 1 carried twice as many passengers as Route 2.
- Passenger numbers alone say nothing about complaints.
- D. Route 2 received 45 complaints.
- One figure, no comparison.
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