Which two properties hold true for standardized variables (also known as z-score normalization)? (Choose two.)

Which two properties hold true for standardized variables (also known as z-score normalization)? (Choose two.)
A . standard deviation = 0.5
B . expected value = 0
C . expected value = 0.5
D . expected value = 1
E . standard deviation = 1

View Answer

Answer: CE