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probit

Pronunciation: /ˈpɹɒbɪt/

The English word “probit” has 2 meanings listed here.

noun

  1. A unit, derived from a standard normal distribution, used in measuring the responses to doses.
  2. The probit function, the inverse of the standard normal cumulative distribution function.

Etymology

Blend of probability + unit. Coined by American statistician Chester Ittner Bliss in 1934: “These arbitrary probability units have been termed ‘probits’…”

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