Statistics Functions - Texas Instruments TI-25X Solar User Manual

Statistics Functions

The TI 25X Solar can perform statistical analysis on one-
variable data.
Key Function
Enters the displayed number into the
statistics register as a data point.
Removes the displayed number from the
statistics register.
Calculates the mean of the entered data.
Calculates the population standard deviation
of the entered data (n weighting).
Calculates the sample standard deviation of
the entered data (n 1 weighting).
Calculates variance using n weighting (for
population data).
Calculates variance using n 1 weighting
(for sample data).
Calculates the sum of the entered data
points.
Calculates the sum of the squares of the
entered data points.
[ ] Clears all data from the statistics register
CSR
and the STAT indicator.
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