Compute the correlation coefficient.
$\begin{array} { c | c c c c c c }
x & 3 & 4 & 5 & 6 & 7 & 8 \
\hline y & 86 & 77 & 113 & 119 & 133 & 128
\end{array}$
A)0.809
B)0.899
C)48.99
D)0.101

Question

Compute the correlation coefficient.
 $\begin{array} { c | c c c c c c } 
x & 3 & 4 & 5 & 6 & 7 & 8 \
\hline y & 86 & 77 & 113 & 119 & 133 & 128
\end{array}$
A)0.809
B)0.899
C)48.99
D)0.101

Quizplus · Accepted Answer

The correlation coefficient is calculated using the formula for Pearson's correlation, which measures the linear relationship between two variables. The correct calculation yields approximately 0.899, indicating a strong positive correlation.

Compute the Correlation Coefficient x345678y8677113119133128\begin{array} { c | c c c c c c } x & 3 & 4 & 5 & 6 & 7 & 8 \\\hline y & 86 & 77 & 113 & 119 & 133 & 128\end{array}xy​386​477​5113​6119​7133​8128​​

Compute the Correlation Coefficient $\begin{array} { c | c c c c c c } x & 3 & 4 & 5 & 6 & 7 & 8 \\\hline y & 86 & 77 & 113 & 119 & 133 & 128\end{array}$