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One-Variable Computed Statistics
n2
Number of data points.
totX Sum of data values (with their
frequencies).
MEANS
Mean value of data set.
pvarS
Population variance of data set.
svarS Sample variance of data set.
PS DEV
Population standard deviation of data
set.
SSDEV
Sample standard deviation of data
set.
minS Minimum data value in data set.
Q1
First quartile: median of ordinals to
left of median.
median
Median value of data set.
Q3
Third quartile: median of ordinals to
right of median.
MAXS Maximum data value in data set.
Statistics 5-17