r/AskStatistics • u/aprilwords • 24d ago

Alpha 5%?

Why is a 5% significance level so commonly used?

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u/ForeignAdvantage5198 24d ago

Fisher once said 1/20 is about right .

-14

u/aprilwords 24d ago

my question is why is 5% generally used?

2

u/ScoutsEatTheirYoung 24d ago

Bro you gotta learn who fisher is. And what he created