Question

If v is the variance and σ is the standard deviation, then

• A. $v ^ { 2 } = \sigma$
• B. $v = \sigma ^ { 2 }$
• C.
• D. $v = \frac { 1 } { \sigma ^ { 2 } }$

Answer 1

Answer: (B)

$v = \sigma ^ { 2 }$

Answer 2

It is obvious.