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confidence interval
[ kon-fi-duhns in-ter-vuhl ]
noun
, Statistics.
- a range of values above and below a given statistic, with a specified probability that the true value falls within that range: the span of the interval is equal to twice the margin of error: Compare interval estimation.
An overview of 20 studies revealed that calcium supplements reduced the risk of total fracture, showing a relative risk of 0.89 with a 95% confidence interval of 0.81 to 0.96.
confidence interval
noun
- statistics an interval of values bounded by confidence limits within which the true value of a population parameter is stated to lie with a specified probability
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Word History and Origins
Origin of confidence interval1
First recorded in 1930–35
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