The following observations are given for two variables. $$\begin{array} { r r }
\mathbf { y } & { \mathbf { x } } \
5 & 2 \
8 & 12 \
18 & 3 \
20 & 6 \
22 & 11 \
30 & 19 \
10 & 18 \
7 & 9
\end{array}$$
a.
Compute and interpret the sample covariance for the above data.
b.
Compute the standard deviation for x.
c.
Compute the standard deviation for y.
d.
Compute and interpret the sample correlation coefficient.

Question

The following observations are given for two variables. $$\begin{array} { r r } 
\mathbf { y } &  { \mathbf { x } } \
5 & 2 \
8 & 12 \
18 & 3 \
20 & 6 \
22 & 11 \
30 & 19 \
10 & 18 \
7 & 9
\end{array}$$ ​ 
a.
Compute and interpret the sample covariance for the above data.
b.
Compute the standard deviation for x.
c.
Compute the standard deviation for y.
d.
Compute and interpret the sample correlation coefficient.

Quizplus · Accepted Answer

The Answer of The following observations are given for two variables. $$\begin{array} { r r } 
\mathbf { y } &  { \mathbf { x } } \
5 & 2 \
8 & 12 \
18 & 3 \
20 & 6 \
22 & 11 \
30 & 19 \
10 & 18 \
7 & 9
\end{array}$$ ​ 
a.
Compute and interpret the sample covariance for the above data.
b.
Compute the standard deviation for x.
c.
Compute the standard deviation for y.
d.
Compute and interpret the sample correlation coefficient.

The Following Observations Are Given for Two Variables ​ A Compute and Interpret the Sample Covariance for the Above

The Following Observations Are Given for Two Variables
A
Compute and Interpret the Sample Covariance for the Above