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# Margin of Error: Decoding the Uncertainty in Estimates

**Chapter 18, Problem 2**

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**QUESTION:**

**Margin of error** A medical researcher estimates the percentage of children exposed to lead-based paint, adding that he believes his estimate has a margin of error of about 3%. Explain what the margin of error means.

### Questions & Answers

**QUESTION:**

**Margin of error** A medical researcher estimates the percentage of children exposed to lead-based paint, adding that he believes his estimate has a margin of error of about 3%. Explain what the margin of error means.

**ANSWER:**

Step 1 of 2

The margin of error mean is the width of the confidence interval which is use to determine the true proportion within the confidence interval.

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##### Margin of Error: Decoding the Uncertainty in Estimates

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Unravel the concept of the "margin of error" within the context of estimating children's exposure to lead-based paint. Through clear explanations, comprehend the importance of acknowledging uncertainty in statistical findings and how it represents a range for potential true values.