Examlex
Which of the following is an example of a position in a service job?
Mean
The average of a set of numbers, calculated by dividing the sum of all the values by the number of values.
Standard Normal Variable
A random variable that has been normalized so that it has a mean of 0 and a standard deviation of 1, following the standard normal distribution.
Symmetrical Area
A region in a distribution curve where data are evenly distributed on both sides of a central point, indicating balance and uniformity.
Z Score
Another term for Z-score, indicating how far, in standard deviations, a data point is from the average of a set of data.
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