Stats Lab

Stats Lab

seed —

Settings

Seed

Same seed + same clicks = same picture. The seed is kept in the page address, so a link reproduces it.

Crown Princess mean Crown Prince mean PR team mean SD (all groups) Scale minimum Scale maximum Default n per group

Deep links: #crowd, #net, #t. Add ?seed=123 to fix the seed.

One rerun: the people

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All reruns so far: the means

SE = —

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n per group

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Click or tap an interval to see its numbers.

n per rerun

nets

width

Crown PrincessPR team

gap · M₁ − M₂

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÷

noise · SE of the difference

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how much the gap wobbles

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t

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p · two-sided, Welch

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pair

true difference

SD of the ratings

n per group

df computed by the Welch–Satterthwaite formula; you never need it by hand.

Space run / stop · rerunR reset1 2 3 switch tab N new seedP presenter mode