E-25
• Always start data input with
A
B
1
(Scl)
=
to clear
statistical memory.
• Input data using the key sequence shown below.
<
x
-data>
P
<
y
-data>
S
• The values produced by a regression calculation depend
on the values input, and results can be recalled using
the key operations shown in the table below.
To recall this type of value:
Perform this key operation:
Σ
x
2
A
U
1
Σ
x
A
U
2
n
A
U
3
Σ
y
2
A
U
r
1
Σ
y
A
U
r
2
Σ
xy
A
U
r
3
o
A
X
1
x
σ
n
A
X
2
x
σ
n
-1
A
X
3
p
A
X
r
1
y
σ
n
A
X
r
2
y
σ
n
-1
A
X
r
3
Regression coefficient A
A
X
r
r
1
Regression coefficient B
A
X
r
r
2
Regression calculation other than quadratic regression
Correlation coefficient
r
A
X
r
r
3
m
A
X
r
r
r
1
n
A
X
r
r
r
2
• The following table shows the key operations you should
use to recall results in the case of quadratic regression.
To recall this type of value:
Perform this key operation:
Σ
x
3
A
U
r
r
1
Σ
x
2
y
A
U
r
r
2
Σ
x
4
A
U
r
r
3
Regression coefficient C
A
X
r
r
3
m
1
A
X
r
r
r
1
m
2
A
X
r
r
r
2
n
A
X
r
r
r
3
