In the z-score formula, which of the following is true if the value in the numerator is a negative value?
A) that the xi value lies to the left of the mean
B) that the mean is of lesser value than the xi value
C) that the mean is of negative value
D) that the numerator value cannot be divided by the standard deviation

Question

Quizplus · Accepted Answer

A negative value in the numerator of the z-score formula indicates that the data point (xi) is less than the mean, meaning it lies to the left of the mean on a normal distribution curve.

In the Z-Score Formula, Which of the Following Is True