SPM – MCQ 102 – Standard normal distribution
The standard normal distribution:
A. Is skewed to the left
B. Has mean = 1.0
C. Has standard deviation = 0.0
D. Has variance = 1.0
Correct answer : D. Has variance = 1.0
- A standard normal deviation is not skewed to any side. It is symmetrical
- Standard deviation = 1.0
- Variance = SD^2 = 1.0