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The Variance Of Yˉ,σ2Y\bar { Y } , \sigma \frac { 2 } { Y }

Question 12

Multiple Choice

The variance of Yˉ,σ2Y\bar { Y } , \sigma \frac { 2 } { Y } , is given by the following formula:


A) σ2Y\sigma \frac { 2 } { Y }
B) σyn\frac { \sigma _ { y } } { \sqrt { n } }
C) σγ2n\frac { \sigma _ { \gamma } ^ { 2 } } { n }
D) σy2n\frac { \sigma _ { y } ^ { 2 } } { \sqrt { n } }

Correct Answer:

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