chi-square

chi-square |kī ˌkaɪ ˈskwɛr | ▶noun [ as modifier ] relating to or denoting a statistical method assessing the goodness of fit between observed values and those expected theoretically. (Symbol: χ 2 )

chi-square test

chi-square test |kʌɪˈskwɛː test | ▶noun a statistical method assessing the goodness of fit between a set of observed values and those expected theoretically. (Symbol: χ 2 )