Exhibit 14-4
Regression analysis was applied between sales data (Y in $1,000s) and advertising data (x in $100s) and the following information was obtained. 
= 12 + 1.8 x
n = 17
SSR = 225
SSE = 75
Sb1 = 0.2683
-Refer to Exhibit 14-4. Based on the above estimated regression equation, if advertising is $3,000, then the point estimate for sales (in dollars) is
Definitions:
Market Price
The current price at which an asset or service can be bought or sold in a particular market.
Substitutes
Products or services that can be used in place of each other, having a positive cross-price elasticity of demand.
Market Extent
Refers to the geographical or demographic reach of a market, influencing the potential customer base and the scope of economic activities.
Geographical Extent
The area over which a specific phenomenon, policy, or condition applies or has influence.
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