Which of the following statements about a normal distribution is least accurate? A. Approximately 68% of the observations lie within /- 1 standard deviation of the mean. B. A normal distribution has excess kurtosis of three. C. The mean and variance completely define a normal distribution.
Which of the following statements about a normal distribution is least accurate?
A、 Approximately 68% of the observations lie within /- 1 standard deviation of the mean.
B、 A normal distribution has excess kurtosis of three.
C、 The mean and variance completely define a normal distribution.
发布时间：2026-02-04 18:31:05
