Problem-Solving and Data AnalysisEasy–MediumEstimating from a random sample of a village
Problem-Solving and Data Analysis practice question
In a random sample of 45 households in a village of 1,500 households, 9 keep chickens. Based on the sample, about how many of the village's households keep chickens?
Answer: 300
9/45 = 20%, and 20% of 1,500 is 300.
Common wrong answers
- If you answered 9
- 9 is the sample count.
- If you answered 33
- 33 divides 1,500 by 45.
- If you answered 1200
- 1200 is the number that do not keep chickens.
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