Answer:
The z-score represents the number of standard deviations an observation is from the mean.
Step-by-step explanation:
We want to complete the statement:
The _______ represents the number of standard deviations an observation is from the mean.
Whenever we calculate z- scores, we are finding how many standard deviations an observation is from the mean.
A z-score of 3, means an observation is 3 standard deviation above the mean.
Therefore the best complete is:
z-score.