SAT Math· difficulty 4/5
A sample of 1000 randomly selected adults from a city of 500,000 found that 35% recycle. The valid generalization is:
Approximately 35% of all city adults recycle.
Exactly 35% of the country recycles.
No conclusion can be drawn.
All city adults recycle.
Explanation
Random sampling from the city population justifies generalizing to that population (with appropriate margin of error).
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