Two variables are uncorrelated in all of the cases below, with the exception of
A)being independent.
B)having a zero covariance.
C) $|{}^{\sigma } X Y | \leq \sqrt { \sigma _ { x } ^ { 2 } \sigma _ { y } ^ { 2 } }$
D)E(Y $\mid X$ )= 0.

Question

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The Answer of Two variables are uncorrelated in all of the cases below, with the exception of
A)being independent.
B)having a zero covariance.
C) $|{}^{\sigma } X Y | \leq \sqrt { \sigma _ { x } ^ { 2 } \sigma _ { y } ^ { 2 } }$
D)E(Y $\mid X$ )= 0.

Two Variables Are Uncorrelated in All of the Cases Below ∣σXY∣≤σx2σy2|{}^{\sigma } X Y | \leq \sqrt { \sigma _ { x } ^ { 2 } \sigma _ { y } ^ { 2 } }∣σXY∣≤σx2​σy2​​

Two Variables Are Uncorrelated in All of the Cases Below $|{}^{\sigma } X Y | \leq \sqrt { \sigma _ { x } ^ { 2 } \sigma _ { y } ^ { 2 } }$