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

question 69

Essay

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.

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