# Frequentist inference

## Probability Theory / From Wikipedia, the free encyclopedia

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**Frequentist inference** is a type of statistical inference based in frequentist probability, which treats “probability” in equivalent terms to “frequency” and draws conclusions from sample-data by means of emphasizing the frequency or proportion of findings in the data. Frequentist inference underlies **frequentist statistics**, in which the well-established methodologies of statistical hypothesis testing and confidence intervals are founded.

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