One way to reduce the margin of error in a confidence interval is to decrease the confidence coefficient.

Name: One way to reduce the margin of error in a confidence interval is to decrease the confidence coefficient.
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Quizplus · Accepted Answer

Decreasing the confidence coefficient (or confidence level) results in a narrower confidence interval, thereby reducing the margin of error, because it means you are accepting a higher probability of the interval not containing the true parameter value.

One Way to Reduce the Margin of Error in a Confidence