Examveda

If x is a random variable and 'a' and 'b' are constants, then Var (ax + b) is

A. (a + b) Var (x)

B. (a2 + b2) Var (x)

C. ab Var (x)

D. a2 Var (x)

Answer: Option A


Join The Discussion

Related Questions on Business Statistics and Research Methods