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-E14-
• The values of the statistical variables depend on the data you in-
put. You can recall them by the key operations shown in the below
table. To predict a value for x (or y) given a value for y (or x), enter
the given value, press [ 2nd ] [
y
^
] (or [ 2nd ] [
x
^
] ), and press [ = ]
again. See Example 42~43.
Σ
x
2
[ RCL ] + [ A ]
X
σ
n
[ 2nd ] + [
x
σ
n
]
Σ
x
[ RCL ] + [
B ]
x
σ
n-1
[ 2nd ] + [
x
σ
n-1
]
n
[ RCL ] + [
C ]
y
_
[ 2nd ] + [
y
_
]
Σ
y
2
[ RCL ] + [ D ]
y
σ
n
[ 2nd ] + [
y
σ
n
]
Σ
y
[ RCL ] + [
E ]
y
σ
n-1
[ 2nd ] + [
y
σ
n-1
]
Σ
xy
[ RCL ] + [
F ]
A [ 2nd ] + [ A ]
Σ
x
3
[ RCL ] + [ M ] B [ 2nd ] + [ B ]
Σ
x
2
y [ RCL ] + [ X ] C [ 2nd ] + [ C ]
Σ
x
4
[ RCL ] + [ Y ] r [ 2nd ] + [ r ]
x
_
[ 2nd ] + [
x
^
]
x
^
[ 2nd ] + [
x
^
]
y
^
[ 2nd ] + [
y
^
]
(Note) : Variable
Σ
x
4
,
Σ
x
2
y are only available in Quadratic
regression.