Interpret Multiple Regression Output A) 1557%
B) 6

Multiple Choice

Interpret multiple regression output.
-What affects flat panel LCD TV sales? Flat panel LCD TV's are sold through a
Variety of outlets. Sales figures (number of units) for the popular Sony Bravia were
Obtained for last quarter from a sample of 30 different stores. Also collected were data
On the selling price and amount spent on advertising the Sony Bravia (as a percentage of
Total advertising expenditure in the previous quarter) at each store. Output is shown
Below. Based on the output shown below, how much of the variability in Sales is
Explained by the estimated multiple regression model? $$\begin{array}{l}\text { Analysis of Variance }\\\begin{array} { l r r r } \text { Source } & \text { DF } & \text { SS } & \text { MS } \\\text { Regression } & 2 & 16477.3 & 8238.7 \\\text { Residual Error } & 27 & 3038.0 & 112.5 \\\text { Total } & 29 & 19515.4 &\end{array}\end{array}$$

A) 15.57%
B) 6.90%
C) 84.43%
D) 29%
E) None of the above.