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confidence level

British

noun

statistics a measure of the reliability of a result. A confidence level of 95 per cent or 0.95 means that there is a probability of at least 95 per cent that the result is reliable Compare significance

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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confidence level

According to the researchers, the confidence level against those alternative models reaches 99.999%.

From Science Daily ● May 14, 2026

A 95% confidence level, for example, indicates that the model considers its interpretation to be highly likely.

From Salon ● May 12, 2026

For this study, results are accurate within ± 2.0 percentage points at a 95% confidence level.

From Science Daily ● Jan. 12, 2026

What was perhaps most pleasing about Dent’s performance was his heightened confidence level.

From Los Angeles Times ● Dec. 18, 2025

Even just knowing how to read music changes a teacher’s confidence level when it comes to singing, so it’s important to have a few of the basics under your belt.

From "Music and the Child" by Natalie Sarrazin

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023