Information and IdeasVery hardReading a table of surgical complications
Information and Ideas practice question
Operations and complications in one year
Hospital | Operations | Complications
A | 2,000 | 100
B | 400 | 12
An analyst argues that Hospital A's larger number of complications cannot be explained by its size alone, because ____
Which choice most effectively uses data from the table to complete the statement?
- A. its complication rate, 5 percent, is higher than Hospital B's 3 percent.Correct
- B. it performed 2,000 operations.
- C. it had 100 complications.
- D. Hospital B performed only 400 operations.
Answer: A. its complication rate, 5 percent, is higher than Hospital B's 3 percent.
Rates, not counts.
Why the other answers are wrong
- B. it performed 2,000 operations.
- Size alone, which the analyst sets aside.
- C. it had 100 complications.
- A count, no rate.
- D. Hospital B performed only 400 operations.
- Size alone.
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