You are given the following information about y and x. $$\begin{array} { l l }
\text { Dependent Variable } ( y ) & \text { Independent Variable } ( x ) \
12 & 4 \
3 & 6 \
7 & 2 \
6 & 4
\end{array}$$
The sample correlation coefficient equals
A) -.4364.
B) .4364.
C) -.1905.
D) .1905.

Question

You are given the following information about y and x. $$\begin{array} { l l } 
\text { Dependent Variable } ( y ) & \text { Independent Variable } ( x ) \
12 & 4 \
3 & 6 \
7 & 2 \
6 & 4
\end{array}$$  
 The sample correlation coefficient equals
A) -.4364.
B) .4364.
C) -.1905.
D) .1905.

Quizplus · Accepted Answer

The sample correlation coefficient is calculated using the formula for Pearson's correlation coefficient. After computing the necessary sums and products, the correlation coefficient is found to be approximately -0.4364, indicating a negative relationship between x and y.