For a normal distribution, a negative value of z indicates
A) a mistake has been made in computations, because z is always positive.
B) the area corresponding to the z is negative.
C) the z is to the left of the mean.
D) the z is to the right of the mean.

Question

Quizplus · Accepted Answer

In a normal distribution, the mean is at the center, and any value to the left of the mean is negative since the values on the left tail of the distribution have a lower value than the mean. Therefore, a negative value of z indicates that the corresponding value is located to the left of the mean.

For a Normal Distribution, a Negative Value of Z Indicates