Texas Instruments TI-30Xa Solar School Edition - One-Variable Statistics; Statistical Data Entry and Functions

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Ti30xa School Edition.doc TI-30Xa SOLAR School Edition
Bob Fedorisko Revised: 05/16/03 9:26 AM Printed:
05/16/03 9:32 AM Page 9 of 23
One-Variable Statistics
" h Clears all statistical data.
4 Enters a data point.
" a Removes a data point.
" \ Adds or removes multiple occurrences
of a data point.
Enter data point, press " \,
enter frequency (1–99), press 4 to
add or " a to remove data points.
" c Sum.
" d Sum of squares.
" ] Mean.
" _ Population standard deviation
(n weighting).
" ^ Sample standard deviation (n-1
weighting).
" b Number of data points.