Texas Instruments TI30XA User Manual - Page 11
One-Variable Statistics, Clears all statistical data. - standard deviation
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One-Variable Statistics " h 4 " a " \ " c " d " ] " _ " ^ " b Clears all statistical data. Enters a data point. 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. Sum. Sum of squares. Mean. Population standard deviation (n weighting). Sample standard deviation (n-1 weighting). Number of data points. 10
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10
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.