statistic
z-score
A z-score (also known as z-value, standard score, or normal score) is a measure of the divergence of an individual experimental result from the most probable result, the mean. Z is expressed in terms of the number of standard deviations from the mean value.
Alejandra Gonzalez-Beltran
Orlaith Burke
Philippe Rocca-Serra
https://controls.engin.umich.edu/wiki/index.php/Basic_statistics:_mean,_median,_average,_standard_deviation,_z-scores,_and_p-value#Z-Scores
ready for release