9
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.