Correlation and Regression

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Question : 57 of 156

Marks: +1, -0

If the regression coefficient of

y

on

x,

the coefficient of correlation between

x

and

y

and variance of

y

are

-3 / 4,-√{3} / 2

and 4 respectively, what is the variance of

x ?

$2 {/} √{3 {/} 2}$
$16 / 3$
$4 / 3$
4

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