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Asked Nov 29, 2019

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In a 2 x 2 contingency table, if we keep the marginals at their observed values, how many fo scores are free to vary?

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**Introduction:**

Consider 2 categories, A and B, which are present at 2 levels each, A1, A2, B1, and B2. Let *fij* be the number of observations for the *i*th level of A and *j*th level of B; *i*, *j* = 1, 2. Denote *f*A*i* and *f*B*j* be the marginal probabilities for the *i*th level of A and *j*th level ...

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