Problem-Solving and Data AnalysisEasySample proportion
Problem-Solving and Data Analysis practice question
In a survey of 200 shoppers, 50 said they had bought bread that day. What fraction of the sample bought bread?
Answer: 1/4 or 0.25
50/200 = 1/4.
Common wrong answers
- If you answered 4
- 4 is 200 ÷ 50, the reciprocal.
- If you answered 50
- 50 is the count, not the fraction.
- If you answered 1/2
- 1/2 would be 100 of 200.
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