2 terms

Data Analysis Ch5

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z-scores
The precise location of each X value within a distribution. The sign indicates whether the score is above or below the mean. The numerical value specifies the distance from the mean by counting the number of standard deviations between X and the mean.
Standardized Distribution
Composed of scores that have been transformed to create predetermined values for the mean and standard deviation. Standardized distributions are used to make dissimilar distributions comparable