Six Pairs of Data Yield $\mathrm { r } = 0.789$

Multiple Choice

Six pairs of data yield $\mathrm { r } = 0.789$ and the regression equation $\hat { y } = 4 x - 2$ . Also, $\bar { y } = 19.0$ . What is the best predicted value of $y$ for $x = 5$ ?

A) 18.0
B) 19.0
C) 18.5
D) 22.0