Perform Statistical Inference for Multiple Regression A) 1061
B) 73

question 9

Multiple Choice

Perform statistical inference for multiple regression.
-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. The calculated F statistic to determine the overall significance of the estimated
Multiple regression model is $$\begin{array}{l}\text { Analysis of Variance }\\\begin{array} { l r r r } \text { Source } & \text { DF } & \text { SS } & \text { MS } \\\text { Regression } & 2 & 16477.3 & 8238.7 \\\text { Residual Error } & 27 & 3038.0 & 112.5 \\\text { Total } & 29 & 19515.4 &\end{array}\end{array}$$

• A) 10.61
• B) 73.23
• C) 112.5
• D) 3.60
• E) None of the above

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