A Regression Analysis Between Sales (In $1000)and Advertising (In $100)resulted $\hat { y } = 75 + 6 x$

question 220

Multiple Choice

A regression analysis between sales (in $1000) and advertising (in $100) resulted in the following least squares line: $\hat { y } = 75 + 6 x$ .This implies that if advertising is $800,then the predicted amount of sales (in dollars) is:

• A) $4875
• B) $123,000
• C) $487,500
• D) $12,300

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