A Regression Analysis Between Sales (Y in $1000) and Advertising

Multiple Choice

A regression analysis between sales (y in $1000) and advertising (x in $100) resulted in the following least-squares line: = 82 + 7x. Given this information, if advertising costs were $900, what could we reasonably expect the amount of sales (in dollars) to be?

A) $6,382
B) $82,063
C) $88,300
D) $145,000