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• 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:
Σx
2
A U 1
Σx A U 2
n A U 3
Σy
2
A U r 1
Σy A U r 2
Σxy A U r 3
o A X 1
xσ
n
A X 2
xσ
n-1 A X 3
p
A X r 1
yσ
n
A X r 2
yσ
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
To recall this type of value: Perform this key operation:
Σx
3
A U r r 1
Σx
2
y A U r r 2
Σx
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
• The values in the above tables can be used inside of
expressions the same way you use variables.
uLinear Regression
• The regression formula for linear regression is:
y = A + Bx.