If the mean of a normal distribution is negative,
A)the standard deviation must also be negative
B)the variance must also be negative
C)a mistake has been made in the computations, because the mean of a normal distribution cannot be negative
D)None of these alternatives is correct.

Question

Quizplus · Accepted Answer

None of the options are correct. In a normal distribution, the mean can be negative, positive, or zero. Standard deviation and variance cannot be negative, as they are measures of dispersion and are always non-negative.

If the Mean of a Normal Distribution Is Negative