Regression Analysis Was Applied Between Sales Data (Y in $1000s)

question 75

Multiple Choice

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. $$\begin{array} { l } \widehat { y } = 12 + 1.8 x \\n = 17 \\\mathrm { SSR } = 225 \\\mathrm { SSE } = 75 \\\mathrm {~s} b _ { 1 } = .2683\end{array}$$
Based on the above estimated regression equation, if advertising is $3000, then the point estimate for sales (in dollars) is

• A) $66,000.
• B) $5412.
• C) $66.
• D) $17,400.

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