Question: George Jones, president of George Jones Enterprises, believes that there is a relationship between the number of radio stations playing his music and the dollar amount of sales. To document this assertion, Mr. Jones gathered the following sample information. The x column indicates the number of radio stations playing his music, and the y column shows the value of sales ($ thousands) last month for radio market sampled.

A) Determine the regression equation.

B) Determine the estimated sales of 27 stations in a market.

C) Determine the error of the estimate.