Problem-Solving and Data AnalysisEasyRecognising no association
Problem-Solving and Data Analysis practice question
A scatterplot shows the shoe sizes of 40 pupils against their reading test scores. The points are scattered with no visible pattern. Which of the following best describes the association between shoe size and reading score?
- A. There is no association.Correct
- B. There is a positive association.
- C. There is a negative association.
- D. There is a perfect association.
Answer: A. There is no association.
No pattern means no association.
Why the other answers are wrong
- B. There is a positive association.
- A positive association would show points rising left to right.
- C. There is a negative association.
- A negative association would show points falling.
- D. There is a perfect association.
- A perfect association would put the points on a line.
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