Problem-Solving and Data AnalysisEasyFlaw in generalising from a basketball team
Problem-Solving and Data Analysis practice question
A study measured the heights of the players on a school's basketball team and concluded that pupils at the school are unusually tall. What is the main flaw in this conclusion?
- A. Basketball players are not representative of all the school's pupils.Correct
- B. Height cannot be measured accurately.
- C. The team has too many players.
- D. The study should have measured weight instead.
Answer: A. Basketball players are not representative of all the school's pupils.
The sample is a group chosen for exactly the trait measured.
Why the other answers are wrong
- B. Height cannot be measured accurately.
- Measurement is not the problem.
- C. The team has too many players.
- Team size is not the problem.
- D. The study should have measured weight instead.
- Weight is not the question.
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