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

question 45

Multiple Choice

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. ​ = 12 + 1.8x
​
N = 17
SSR = 225
SSE = 75
Sb₁ = .2683
​
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.