Final answer:
The z-score tells you how many standard deviations the value x is above or below the mean.
Step-by-step explanation:
The z-score tells you how many standard deviations the value x is above, to the right of, or below, to the left of, the mean, μ. Values of x that are larger than the mean have positive z-scores, and values of x that are smaller than the mean have negative z-scores. If x equals the mean, then x has a z-score of zero.