A chi-square statisticisone way to show a relationship between two categorical variables. In statistics, there are two types of variables: numerical (countable) variablesandnon-numerical (categorical) variables. The chi-squared statisticisa single number that tells you how much difference exists betwe...
Note also thatχ2tests are always 1-tailed in that we only ever reject the null hypothesis for large values ofCalcχ2: small values are consistent with the null hypothesis, and the values can never be negative. However, because we are dealing withsquarederrors, the test does not distinguish...
The formula for the chi-squared test isχ2 = Σ(Oi − Ei)2/Ei,where χ2 represents the chi-squared value, Oi represents the observed value, Ei represents the expected value (that is, the value expected from the null hypothesis), and the symbol Σ represents the summation of values ...
RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook Chi-Rho Encyclopedia Wikipedia Chi-Rho (kī′rō′, kē′-) n.pl.Chi-Rhos A monogram and symbol for Christ, consisting of the superimposed Greek letterschi(Χ) andrho(Ρ), often embroidered on altar cloths ...
Twitter Google Share on Facebook Chi-Rho (redirected fromChi Rho) Acronyms Encyclopedia Wikipedia Chi-Rho Chi-Rho (kī′rō′, kē′-) n.pl.Chi-Rhos A monogram and symbol for Christ, consisting of the superimposed Greek letterschi(Χ) andrho(Ρ), often embroidered on altar cloths and cler...