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The Standard Error Of Yˉ,SE(Yˉ)=σ^Yˉ\bar { Y } , S E ( \bar { Y } ) = \hat { \sigma } _ { \bar { Y } }

Question 7

Multiple Choice

The standard error of Yˉ,SE(Yˉ) =σ^Yˉ\bar { Y } , S E ( \bar { Y } ) = \hat { \sigma } _ { \bar { Y } }
is given by the following formula:


A) 1ni=1n(YiYˉ) 2\frac { 1 } { n } \sum _ { i = 1 } ^ { n } \left( Y _ { i } - \bar { Y } \right) ^ { 2 }
B) sY2n.\frac { s _ { Y } ^ { 2 } } { n } .
C) SYS _ { Y }
D) sYn\frac { s _ { Y } } { \sqrt { n } }

Correct Answer:

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