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
Recent Examples on the Web
At a mean photon number of 11, the researchers measured bit-flip times ranging between 33 and 60 minutes at a 95 percent confidence interval.
—
Neetika Walter, Interesting Engineering, 25 Sep. 2025
The survey's plus/minus 262 confidence interval means the total population could range between 884 to 1,408.
—Jenna Prestininzi, Freep.com, 19 Aug. 2025
The survey also listed a confidence interval of the total sample of 2.04 percentage points at the 95 percent confidence level.
—Aris Folley, The Hill, 22 July 2025
Extract every efficacy endpoint, its p-value, confidence interval, and sample size.
—Christiaan Hetzner, Fortune, 15 July 2025
See All Example Sentences for confidence interval
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Neetika Walter, Interesting Engineering, 25 Sep. 2025
The survey's plus/minus 262 confidence interval means the total population could range between 884 to 1,408.
—Jenna Prestininzi, Freep.com, 19 Aug. 2025
The survey also listed a confidence interval of the total sample of 2.04 percentage points at the 95 percent confidence level.
—Aris Folley, The Hill, 22 July 2025
Extract every efficacy endpoint, its p-value, confidence interval, and sample size.
—Christiaan Hetzner, Fortune, 15 July 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 26 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share