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