Chi-square test
Statistical test wey dey compare di hits wey you see for each pocket with di n/37 wey you expect. Dem dey use am to judge whether wheel get bias.
For context
Add up (observed − expected)² / expected for all di 37 pocketsequipmentPocketOne of di 37 small boxes wey get number for di rotor. Dem also dey call am: slot, cup.Read di whole tin →; compare am with di chi-square distribution for 36 degrees of freedomlabDegrees of freedomDi number of values wey no depend on each oda inside one statistic. For chi-square test on 37 pockets na 36, becos di counts must add up to di total.Read di whole tin →.
Karl Pearson publish di test for 1900, and one of im first examples na 26,306 Monte Carlo roulette spins wey dem record, and e find sey dem no too random. Later analysis show sey di journalists wey record dem fit don invent some.