In Regression Analysis,the Total Variation in the Dependent Variable Y,measured $\sum \left( y _ { i } - \bar { y } \right) ^ { 2 }$

question 19

True/False

In regression analysis,the total variation in the dependent variable Y,measured by $\sum \left( y _ { i } - \bar { y } \right) ^ { 2 }$
and referred to as SST,can be decomposed into two parts: the explained variation,measured by SSR,and the unexplained variation,measured by SSE.

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