Notation in probability and statistics: Difference between revisions

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==Statistics==

{{Unreferenced section|date=March 2021}}

*Greek letters (e.g. ''&theta;'', ''&beta;'') are commonly used to denote unknown parameters (population parameters).<ref>{{Cite web |date=1999-02-13 |title=Letters of the Greek Alphabet and Some of Their Statistical Uses |url=https://lesn.appstate.edu/olson/EDL7150/Components/Other%20useful%20links/Greek%20Alphabet%20and%20Statistics.htm |access-date=2024-02-26 |website=https://les.appstate.edu/}}</ref>

*A tilde (~) denotes "has the probability distribution of".

*Placing a hat, or caret (also known as a circumflex), over a true parameter denotes an [[estimator]] of it, e.g., <math>\widehat{\theta}</math> is an estimator for <math>\theta</math>.