Nine pairs of data yield $\mathrm { r } = 0.867$ and the regression equation $\hat { y } = 19.4 + 0.93 \mathrm { x }$. Also, $\overline { \mathrm { y } } = 64.7$. What is the best predicted value of $y$ for $x = 48$ ?
A) 79.6
B) 64.7
C) 57.8
D) 64

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The Answer of Nine pairs of data yield $\mathrm { r } = 0.867$ and the regression equation $\hat { y } = 19.4 + 0.93 \mathrm { x }$. Also, $\overline { \mathrm { y } } = 64.7$. What is the best predicted value of $y$ for $x = 48$ ?
A) 79.6
B) 64.7
C) 57.8
D) 64

Nine Pairs of Data Yield r=0.867\mathrm { r } = 0.867r=0.867

Nine Pairs of Data Yield $\mathrm { r } = 0.867$