Problem-Solving and Data AnalysisEasyCorrelation from a shared cause
Problem-Solving and Data Analysis practice question
In a seaside town, ice cream sales and cases of sunburn both rise every summer. Which conclusion is justified?
- A. Both rise because of hot, sunny weather, not because one causes the other.Correct
- B. Eating ice cream causes sunburn.
- C. Sunburn makes people buy ice cream.
- D. There is no connection between them.
Answer: A. Both rise because of hot, sunny weather, not because one causes the other.
A third factor, sunny weather, drives both.
Why the other answers are wrong
- B. Eating ice cream causes sunburn.
- Ice cream does not burn skin.
- C. Sunburn makes people buy ice cream.
- Sunburn does not create the sales.
- D. There is no connection between them.
- They are connected, through the weather.
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