A Z-score, also called a regular rating, is a measure of what number of normal deviations a knowledge level is away from the imply. It’s calculated by subtracting the imply from the info level after which dividing the outcome by the usual deviation. Z-scores are sometimes used to match information factors from completely different populations or to determine outliers.
StatCrunch is a statistical software program bundle that can be utilized to calculate Z-scores. To make use of the Z-score calculator in StatCrunch, comply with these steps:
