Suppose that X is a random variable with

Var(X)=0.25

standard deviation is the square root of the variance

so, if Var(X) = 0.25

then, standard deviation = √0.25 = 0.5

Secure Information

Content will be erased after question is completed.

Enter the email address associated with your account, and we will email you a link to reset your password.

Forgot your password?

Sign Up