Question: all four question please a. Consider the multiple regression model with no intercept Y = XO +c with E(c) = 0 and var(() = o'I.

all four question please

all four question please a. Consider the multiple regression model with no

a. Consider the multiple regression model with no intercept Y = XO +c with E(c) = 0 and var(() = o'I. In addition,

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