Mayeso a chi-square
Mayeso a ziwerengero oyerekeza kugwa kowonedwa pa kabowo kalikonse ndi n/37 woyembekezeka. Amagwiritsidwa ntchito poona ngati gudumu ndi lokondera.
M’nkhani
Phatikizani (owonedwa − oyembekezeka)² / oyembekezeka pa tibowozipangizoKabowoChimodzi mwa tibowo 37 tokhala ndi manambala pa rotor. Kamatchedwanso: slot, cup.Werengani yonse → 37; yerekezani ndi kagawidwe ka chi-square pa madigiri a ufululabuMadigiri a ufuluChiwerengero cha mitengo yodziyimira payokha mu chiwerengero cha ziwerengero. Pa mayeso a chi-square pa tibowo 37 ndi 36, chifukwa ziwerengero ziyenera kuphatikizana kufika chiwerengero chonse.Werengani yonse → 36.
Karl Pearson anafalitsa mayesowa mu 1900, ndipo chimodzi mwa zitsanzo zake zoyamba chinali kuzungulira 26,306 kolembedwa kwa roulette ya Monte Carlo, kumene anapeza kuti kunali kosakhala mwachisawawa mokayikitsa. Kafukufuku wa pambuyo pake anasonyeza kuti atolankhani amene anakulemba anapeka zina.