Examlex
The low-density universe is an open one, with expansion continuing forever.
Mean
The average value obtained by adding all the numbers in a data set together and then dividing by the number of values.
Z Score
A statistical measurement that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.
Standard Deviation
A statistical measure that quantifies the amount of variation or dispersion of a set of data values.
Percentile
A statistical value indicating the percentage of scores in a distribution that a specific score is equal to or higher than.
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