The degrees of freedom for chi square test in contingency table is determined by the number of 'expected observations' estimated independently. ... <看更多>

Chi is a Greek letter denoted by the symbol χ and chi-square is often denoted by χ2. Figure 11.1 "Many " shows several chi-square distributions for different ... ... <看更多>

I'll show how to change the test in a minute, but there are a few issues here. (Except for the df adjustment, this CrossValidated question ... ... <看更多>