Glossary · lab
Degrees of freedom
Di 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.
For context
Di chi-square distribution wey you go compare with depend on dis number; with df = 36, di 5% critical value na 51.0.
You sabi sey
Fair wheel dey produce chi-square statistic of about 36 for average, wey equal di degrees of freedom. Value wey near 36 na di most ordinary result wey fit happen.