Use the given data to find the best predicted value of the response variable.
-Ten pairs of data yield $r = 0.003$ and the regression equation $\hat { y } = 2 + 3 x$. Also, $\bar { y } = 5.0$. What is the best predicted value of $\mathrm { y }$ for $\mathrm { x } = 2$ ?
A) 8.0
B) 7.0
C) 17.0
D) 5.0

Question

Quizplus · Accepted Answer

Since the correlation coefficient $r$ is close to 0, the best predicted value is the mean of $y$, which is $\bar{y} = 5.0$.

Use the Given Data to Find the Best Predicted Value r=0.003r = 0.003r=0.003

Use the Given Data to Find the Best Predicted Value $r = 0.003$