Chi-Square Test 2
Chi-Square Test 2 :
A statistical significance test based on frequency of occurrence; it is applicable both to qualitative attributes and quantitative variables. Among its many uses, the most common are tests of hypothesized probabilities or probability distributions (goodness of fit), statistical de-pendence or independence (association), and common population (homogeneity). The formula for chi square (x2) depends upon intended use, but is often expressible as a sum of terms of the type (f-h)2/h where/is an observed frequency and h is its hypothetical value
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