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The form lists the data in DAT, shows that column 1 is selected (there is only
one column in the current DAT). Move about the form with the arrow keys,
and press the @ CHK@ soft menu key to select those measures (Mean, Standard
Deviation, Variance, Total number of data points, Maximum and Minimum
values) that you want as output of this program. When ready, press @@@OK@@.
The selected values will be listed, appropriately labeled, in the screen of your
calculator. For example:
Sample vs. population
The pre-programmed functions for single-variable statistics used above can be
applied to a finite population by selecting the
in the
Type: Population
screen. The main difference is in the values
of the variance and standard deviation which are calculated using n in the
denominator of the variance, rather than (n-1). For the example above, use
now the @CHOOSE soft menu key to select population as Type: and re-calculate
Page 16-2


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