A) 0.2
B) 0.5
C) 0.66
D) 0.33
Correct Answer: C
Solution :
We know, \[{{r}_{xy}}=\frac{\Sigma (x-\overline{x})(y-\overline{y})}{\sqrt{\Sigma {{(x-\overline{x})}^{2}}\Sigma {{(y-\overline{y})}^{2}}}}\] \[=\frac{20}{\sqrt{36\times 25}}=\frac{2}{3}=0.66\]You need to login to perform this action.
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