Can Z-Score Be Negative?

Z-scores may be positive or negative, with a positive value indicating the score is above the mean and a negative score indicating it is below the mean.

Can you have a negative z-score?

Yes, a z-score with a negative value indicates it is below the mean. Z-scores can be negative, but areas or probabilities cannot be.

What does it mean if z-score is negative?

The value of the z-score tells you how many standard deviations you are away from the mean. ... A negative z-score reveals the raw score is below the mean average. For example, if a z-score is equal to -2, it is 2 standard deviations below the mean.