For a Multiple Regression Model $\sum \left( y _ { i } - \bar { y } \right) ^ { 2 } = 250$

question 32

Multiple Choice

For a multiple regression model, $\sum \left( y _ { i } - \bar { y } \right) ^ { 2 } = 250$ , and $\sum \left( y _ { i } - \hat { y } _ { i } \right) ^ { 2 } = 60$ , then the proportion of the total variation in the observed $y _ { i}$ 's that is not explained by the model is

• A) .76
• B) .24
• C) 310
• D) 190
• E) .52