Casio fx-95MS User Manual page 31

• Always start data input with
statistical memory.
• Input data using the key sequence shown below.
P
x
< -data>
• 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:
Regression coefficient A
Regression coefficient B
Regression calculation other than quadratic regression
Correlation coefficient
• 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:
Regression coefficient C
S
y
< -data>
Σx
2
Σx
n
Σy
2
Σy
Σxy
o
xσ
n
xσ
n-1
p
yσ
n
yσ
n-1
r
m
n
Σx
3
Σx
2
y
Σx
4
m
1
m
2
n
A B 1
Perform this key operation:
A U 1
A U 2
A U 3
A U r 1
A U r 2
A U r 3
A X 1
A X 2
A X 3
A X r 1
A X r 2
A X r 3
A X r r 1
A X r r 2
A X r r 3
A X r r r 1
A X r r r 2
Perform this key operation:
A U r r 1
A U r r 2
A U r r 3
A X r r 3
A X r r r 1
A X r r r 2
A X r r r 3
29
=
(Scl) to clear