Chi-skwɛ tɛst
Statistikal tɛst we de kɔmpia ɔmɔs tɛm ɛni pɔkit rili kam wit di n/37 we yu fɔ ɛkspɛkt. Dɛn de yuz am fɔ jɔj if wil gɛt bayas.
Aw dɛn de yuz am
Ad (wetin yu si − wetin yu ɛkspɛkt)² / wetin yu ɛkspɛkt fɔ ɔl 37 pɔkitikwipmɛntPɔkitWan pan di 37 smɔl ples dɛn wit nɔmba pan di rotɔ. Dɛn kin kɔl am bak: slot, kɔp.Rid ɔl →; dɔn kɔmpia am wit di chi-skwɛ distribyushɔn wit 36 digri fɔ fridɔmlabDigri fɔ fridɔmDi nɔmba fɔ valyu dɛn we nɔ dipen pan wan ɔda insay wan statistik. Fɔ chi-skwɛ tɛst pan 37 pɔkit na 36, bikɔs ɔl di kawnt dɛn fɔ ad ɔp to di tɔtal.Rid ɔl →.
Karl Pearson pablish di tɛst na 1900, ɛn wan pan in fɔs ɛgzampul dɛn na 26,306 Monte Carlo rulɛt spin we dɛn bin rayt dɔŋ; i fɛn se dɛn nɔ bin luk lɛk ɛni kayn we. Lɛta, ɔda stɔdi dɛn sho se di jɔnalist dɛn we rayt dɛn dɔŋ bin mek sɔm pan dɛn ɔp.