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13
TI36XSUS.DOC MURFE pruning--US version Pat Hatcher
Revised: 06/17/99 4:37 PM Printed: 06/17/99 4:37 PM
Page 13 of 29
Two-Variable Statistics
"
Two-variable statistics mode.
(
[
Clears all statistical data.
!
Clears all statistical data,
STAT
mode,
and memory.
x
. y 4
Enters data point.
x
. y
(
a
Removes 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.
(
g
or
(
i
Sum.
(
h
or
(
j
Sum of squares.
(
]
or
(
c
Mean.
(
_
or
(
e
Population standard deviation
(
n
weighting).
(
^
or
(
d
Sample standard deviation
(
n-
1 weighting).
(
b
Number of data points.
(
k
Sum of the
xy
products.
"
œ
Correlation coefficient.
(
n
Intercept.
(
o
Slope.
(
p
Predicted
x
value.
(
q
Predicted
y
value.