Problem-Solving and Data AnalysisEasy–MediumDescribing an association from a scatterplot
Problem-Solving and Data Analysis practice question
In a scatterplot, the points lie close to a straight line that slopes downward from left to right. Which of the following best describes the association between the two variables?
- A. A strong negative association.Correct
- B. A weak negative association.
- C. A strong positive association.
- D. No association.
Answer: A. A strong negative association.
'Close to a straight line' means strong; 'slopes downward' means negative — as x increases, y tends to decrease.
Why the other answers are wrong
- B. A weak negative association.
- Points close to the line indicate a STRONG association, not a weak one.
- C. A strong positive association.
- A downward slope is a negative association.
- D. No association.
- Points clustered along a line show a clear association.
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