Form 12: Percent Error - Counting and Population Estimates
Determine percent error in population estimates and counting tasks. Evaluate accuracy when estimating group sizes or animal populations.
Questions
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MultiChoice
A park ranger estimated 220 deer in a park. Actual count was 200 deer. Find percent error.
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MultiChoice
A student estimated 380 jellybeans in a jar, but exact number was 400. What is percent error?
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MultiChoice
An ecologist estimated 60 fish in a pond, but actual population was 50. Calculate percent error.
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MultiChoice
A concert venue estimated crowd size as 520 people. Actual attendance was 500. Find percent error.
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MultiChoice
A teacher estimated 115 books on a shelf, but actual count was 100. Calculate percent error.
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MultiChoice
A student estimated 46 marbles in a bag. Actual count was 50. Determine percent error.
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MultiChoice
An orchard farmer estimated 125 apple trees, but actual count was 100. Find percent error.
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MultiChoice
A census estimated city population as 1,020 residents. Actual count was 1,000. Calculate percent error.
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MultiChoice
A store owner estimated selling 70 shirts, but actual sales were 80. What is percent error?
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MultiChoice
A library estimated receiving 159 new books. Actual count was 150 books. Find percent error.
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MultiChoice
A scientist estimated 270 bacteria colonies in a petri dish. Actual count was 300. Calculate percent error.
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MultiChoice
A birdwatcher estimated seeing 29 birds, but true count was 25. Determine percent error.