Casio FC-200V User Guide - Page 124
Calculation formula used for each command, Reg Sub-menu, S-MENU, Select this, When you want
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Calculation formula used for each command ( ) ( ) Σy Σx Σx2 A= n -B n -C n Sxy.Sx2x2 - Sx2y.Sxx2 B = Sxx.Sx2x2 - (Sxx )2 2 Sx2y.Sxx - Sxy.Sxx2 C = Sxx.Sx2x2 - (Sxx2)2 Sxx = Σx2- (Σx)2 n Sxy = Σxy - (Σx.Σy) n Sxx2 = Σx3 - (Σx.Σx2) n Sx 2x 2 = Σx4 - (Σx )2 2 n Sx 2y = Σx2y - (Σx2.Σy) n m1 = - B + B2 - 4C(A - y) 2C m2 = - B - B2 - 4C(A - y) 2C n = A + Bx + Cx2 Reg Sub-menu (17(S-MENU)7(Reg)) Select this menu item: When you want to obtain this: 1A Regression coefficient constant term A 2B Linear coefficient B of the regression coefficients 3C 4m1 5m2 6n Quadratic coefficient C of the regression coefficients Estimated value of x1 Estimated value of x2 Estimated value of y E-122
E-122
Calculation formula used for each command
A
=
–
B
(
)
–
C
(
)
n
Σ
y
n
Σ
x
n
Σ
x
2
B
=
S
xx
.
S
x
2
x
2
– (
S
xx
2
)
2
S
xy
.
S
x
2
x
2
–
S
x
2
y
.
S
xx
2
C
=
S
xx
.
S
x
2
x
2
– (
S
xx
2
)
2
S
x
2
y
.
S
xx
–
S
xy
.
S
xx
2
(
Σ
x
)
2
Sxx
=
Σ
x
2
–
n
Sxy
=
Σ
xy
–
n
(
Σ
x
.
Σ
y
)
Sxx
2
=
Σ
x
3
–
n
(
Σ
x
.
Σ
x
2
)
Sx
2
x
2
=
Σ
x
4
–
n
(
Σ
x
2
)
2
Sx
2
y
=
Σ
x
2
y
–
n
(
Σ
x
2
.
Σ
y
)
m
1
=
2
C
–
B
+
B
2
–
4
C
(
A
–
y
)
m
2
=
2
C
–
B
–
B
2
–
4
C
(
A
–
y
)
n
=
A
+
Bx
+
Cx
2
Reg Sub-menu (
17
(S-MENU)
7
(Reg))
Select this
When you want to obtain this:
menu item:
1
A
Regression coefficient constant term A
2
B
Linear coefficient B of the regression
coefficients
3
C
Quadratic coefficient C of the regression
coefficients
4
m
1
Estimated value of
x
1
5
m
2
Estimated value of
x
2
6
n
Estimated value of
y