Casio fx-50F User Manual page 47

Regression Coeffi cient and Estimated Value Commands for Quadratic
Regression (VAR Menu)
For details about the formula that is executed by each of these commands, see "Regression
Coeffi cient and Estimated Value Calculation Formula Table" (page 47).
a
Obtains constant term a of the regression formula.
b
Obtains coeffi cient b of the regression formula.
c
Obtains coeffi cient c of the regression formula.
ˆ x
1
Taking the value input immediately before this command as the
page 47 to determine one estimated value of
ˆ x
2
Taking the value input immediately before this command as the
page 47 to determine one more estimated value of
ˆ y
Taking the value input immediately before this command as the
page 47 to determine the estimated value of
Minimum and Maximum Value Commands (MINMAX Menu)
minX
Obtains the minimum value of the sample
maxX
Obtains the maximum value of the sample
minY
Obtains the minimum value of the sample
maxY
Obtains the maximum value of the sample
2 (S-VAR) 1 (VAR)
2 (S-VAR) 1 (VAR)
2 (S-VAR) 1 (VAR)
2 (S-VAR) 1 (VAR)
x
.
2 (S-VAR) 1 (VAR)
x
.
2 (S-VAR) 1 (VAR)
y
.
2 (S-VAR) 2 (MINMAX) 1
x
-data.
2 (S-VAR) 2 (MINMAX) 2
x
-data.
2 (S-VAR) 2 (MINMAX)
y
-data.
2 (S-VAR) 2 (MINMAX)
y
-data.
E-46
y
-value, uses the formula on
y
-value, uses the formula on
x
-value, uses the formula on
1
2
3
1
2
3
1
2