Problem 118 of 7
Interpret margin of error in a candidate has 49 percent support with a 3 percent margin of error.
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connect sample variability to estimate uncertainty.
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Connect sample variability to estimate uncertainty.
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Solution
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1. Start from sample estimate.
2. Add and subtract the margin of error.
3. Explain as uncertainty from sampling variability.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Saying margin of error includes bias or guarantees truth.