A score from a normal distribution that is equal to the mean would result in a zobs of.
A)-1.0
B)0.0
C)+1.0
D)+ or - 1.0 depending on the value of s

Question

Quizplus · Accepted Answer

The z-score formula is z = (x - μ) / σ. If the score x is equal to the mean μ, then the numerator of the formula is 0: (x - μ) = 0. This means that the z-score would also be 0 regardless of the value of σ. Therefore, the answer is B, 0.

A Score from a Normal Distribution That Is Equal to the Mean