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Minimization Of i=1n(Yib0b1X1ibkXki)2\sum _ { i = 1 } ^ { n } \left( Y _ { i } - b _ { 0 } - b _ { 1 } X _ { 1 i } - \ldots - b _ { k } X _ { k i } \right) ^ { 2 }

Question 4

Multiple Choice

Minimization of i=1n(Yib0b1X1ibkXki) 2\sum _ { i = 1 } ^ { n } \left( Y _ { i } - b _ { 0 } - b _ { 1 } X _ { 1 i } - \ldots - b _ { k } X _ { k i } \right) ^ { 2 } results in


A) XX ^ { \prime } Y = X β^\hat \beta
B) X β^\hat \beta = 0k+1.
C) XX ^ { \prime } (Y - X β^\hat \beta ) = 0k+1.
D) R? = r.

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