Number of degrees of freedom

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State the number of degrees of freedom that are associated with each of the following extra sum of squares and why this is the case:

(1) SSR(X1|X2); (2) SSR(X2|X1, X3); (3) SSR(X1, X2|X3, X4); (4) SSR(X1, X2, X3|X4, X5).

Reference no: EM1395511

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