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I would like to ask why the degree of freedom is 6 in the Chi-square test? The answer key wrote: Degree of freedom = number of levels in factor...
Alas i failed cp2 last sitting and looking back at my exam for sure the error in the formula didn't help although clearly i cannot blame that....
Can some one please explain me the steps of how did we arrive at the expected value of the the observed data in question 12.18 of chapter...
