Isuzuma rya chi-square
Isuzuma ry'ibarurishamibare rigereranya inshuro buri kazu kasohotse n'izateganyijwe n/37. Rikoreshwa mu kumenya niba uruziga rubogamye.
Mu nteruro
Teranya (byabonetse − byateganyijwe)² / byateganyijwe ku tuzuibikoreshoAkazuKamwe mu tuzu 37 twanditseho imibare turi kuri rotor. Nanone: slot, cup.Soma byose → 37; ugereranye n'isaranganya rya chi-square rifite ibipimo by'ubwisanzurelaboratwariIbipimo by'ubwisanzureUmubare w'agaciro kigenga mu mubare w'ibarurishamibare. Ku isuzuma rya chi-square ku tuzu 37 ni 36, kuko imibare yabaruwe igomba guteranwa ikangana n'igiteranyo.Soma byose → 36.
Karl Pearson yatangaje iri suzuma mu 1900, kandi rumwe mu ngero ze za mbere rwari amazunguruka 26.306 ya roulette yo i Monte Carlo yanditswe, yasanze adasa n'ayabaye ku bw'amahirwe. Isesengura ryo nyuma ryerekanye ko abanyamakuru bayanditse bashobora kuba barahimbye amwe.