Question: 8.~. (Sec. 8.2) Show that ~ minimizes the generalized variance I r. (X'''~Z'')(X''-~Z,,)'I (1'=1

8.~. (Sec. 8.2) Show that ~ minimizes the generalized variance I r. (X"'''~Z'')(X''-~Z,,)'I·

(1'=1

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