variance()

This is a historical alias for var_samp.

Signature

variance ( numeric_type ) → double precision for real or double precision, otherwise numeric

Examples

SELECT variance(amount) FROM orders;

      variance      
--------------------
 26625.993750000000
(1 row)

Run against PostgreSQL 18.6 on 2026-09-13. This is the output we got, not the documentation’s.

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