Standard error
What it means
How much the winrate you see can move by chance, for a given number of hands: standard deviation ÷ √(hands ÷ 100). The 95% interval is ± 1.96 errors, and it shrinks with more hands.
Example
With a standard deviation of 100 bb/100 and 10,000 hands: error = 100 / √100 = 10 bb/100, so the 95% interval is ± 19.6 bb/100 around the true winrate.
Also called: Error de la muestra · Error estándar · Sample error
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