A Regression Analysis Between Sales (In $1000)and Advertising (In $)Resulted

question 129

Multiple Choice

A regression analysis between sales (in $1000) and advertising (in $) resulted in the following least squares line: = 80,000 + 4x.This implies that:

• A)an increase of $1 in advertising is expected to result in an increase of $4 in sales.
• B)an increase of $4 in advertising is expected to result in an increase of $4,000 in sales.
• C)an increase of $1 in advertising is expected to result in an increase of $80,000 in sales.
• D)an increase of $1 in advertising is expected to result in an increase of $4,000 in sales.

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