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# Where is the chi-square formula ?

#### Kaiser

##### Member
I see it in the formula sheet p52 but not in the study note (would be p57 of the Miller notes).

Rgds,

#### ShaktiRathore

##### Well-Known Member
Subscriber
chi-square for n-1 degrees of freedom=(s^2/sigma^2)*(n-1) where s is a sample variance and sigma is the hypothetical population variance with which the sample variance is to be compared.
thanks