Solved

The Formula for the Sample Variance Is
A) Sy2=1n1i=1n(YiYˉ)S _ { y } ^ { 2 } = \frac { 1 } { n - 1 } \sum _ { i = 1 } ^ { n } \left( Y _ { i } - \bar { Y } \right)

Question 64

Multiple Choice

The formula for the sample variance is


A) Sy2=1n1i=1n(YiYˉ) S _ { y } ^ { 2 } = \frac { 1 } { n - 1 } \sum _ { i = 1 } ^ { n } \left( Y _ { i } - \bar { Y } \right)
B) Sy2=1n1i=1n(YiYˉ) 2S _ { y } ^ { 2 } = \frac { 1 } { n - 1 } \sum _ { i = 1 } ^ { n } \left( Y _ { i} - \bar { Y } \right) ^ { 2 }
C) Sy2=1n1i=1n(YiμY) 2S _ { y } ^ { 2 } = \frac { 1 } { n - 1 } \sum _ { i = 1 } ^ { n } \left( Y _ { i } - { } ^ { \mu } Y \right) ^ { 2 }
D) Sy2=1n1i=1n1(YiYˉ) 2S _ { y } ^ { 2 } = \frac { 1 } { n - 1 } \sum _ { i = 1 } ^ { n - 1 } \left( Y _ {i } - \bar { Y } \right) ^ { 2 }

Correct Answer:

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