English Explanatory Dictionary

regression to the mean

English dictionary entry

Meanings

noun
  1. The phenomenon by which extreme examples from any set of data are likely to be followed by examples which are less extreme; a tendency towards the average of any sample. For example, the offspring of two very tall individuals tend to be tall, but closer to the average (mean) than either of their parents.

Word forms

regression to the mean regressions to the mean regression toward the mean

Related words

regression fallacy linear regression regression line
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