confidence interval
noun
: a group of continuous or discrete adjacent values that is used to estimate a statistical parameter (such as a mean or variance) and that tends to include the true value of the parameter a predetermined proportion of the time if the process of finding the group of values is repeated a number of times
Examples of confidence interval in a Sentence
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The margin of error is +/- 4.9% at the 95% confidence interval.
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Ryan Deto, Axios, 1 Apr. 2025
The set of dotted red lines represents a 95 percent confidence interval, meaning that the UN believes there’s a 95 percent chance that world population will fall between 9 billion and 11.4 billion in 2100.
—Dylan Scott, Vox, 5 Feb. 2025
The target response rate is 25%, and at this target, the lower bound of the 95% confidence interval will exceed a 15% response rate.
—Joe Cornell, Forbes, 30 Sep. 2024
The margin of sampling error at the 95% confidence interval is ± 3.46 percentage points.
—Marc Caputo, Axios, 23 Jan. 2025
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Ryan Deto, Axios, 1 Apr. 2025
The set of dotted red lines represents a 95 percent confidence interval, meaning that the UN believes there’s a 95 percent chance that world population will fall between 9 billion and 11.4 billion in 2100.
—Dylan Scott, Vox, 5 Feb. 2025
The target response rate is 25%, and at this target, the lower bound of the 95% confidence interval will exceed a 15% response rate.
—Joe Cornell, Forbes, 30 Sep. 2024
The margin of sampling error at the 95% confidence interval is ± 3.46 percentage points.
—Marc Caputo, Axios, 23 Jan. 2025
See All Example Sentences for confidence interval
Cite this Entry
“Confidence interval.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/confidence%20interval. Accessed 30 Apr. 2025.
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