Problem-Solving and Data AnalysisVery hardComparing death rates at two hospitals
Problem-Solving and Data Analysis practice question
Hospital A has a death rate of 4 percent among its patients and Hospital B a rate of 2 percent. Hospital A is a specialist centre that receives the sickest patients from the region. Which of the following statements is best supported?
- A. The comparison is confounded by how ill the patients are; Hospital A's higher rate may reflect sicker patients rather than worse care.Correct
- B. Hospital A provides worse care than Hospital B.
- C. Patients should avoid Hospital A.
- D. Hospital B's patients are sicker.
Answer: A. The comparison is confounded by how ill the patients are; Hospital A's higher rate may reflect sicker patients rather than worse care.
Sicker patients, higher rate, regardless of care.
Why the other answers are wrong
- B. Hospital A provides worse care than Hospital B.
- The rates alone cannot show this.
- C. Patients should avoid Hospital A.
- The sickest patients are sent there because of its expertise.
- D. Hospital B's patients are sicker.
- The text says A receives the sickest.
More Problem-Solving and Data Analysis questions
- Very hard
An item priced at $200 is first marked down by 20%, and then an additional 10% is taken off the reduced price.… - Very hard
A data set of 6 test scores has a mean of 78. After a 7th score is added, the mean rises to 80. What was the 7… - Very hard
If one of the chips that failed inspection is selected at random, what is the probability that it was produced… - Very hard
The regular price of a bicycle at a shop was increased by 25%. Later, during a sale, this increased price was … - Very hard
What is the result when the mean number of pets is subtracted from the median number of pets? - Very hard
What is the value of x?
Not affiliated with the College Board. SAT is a trademark of the College Board.