Casio fx-7400G PLUS, User Manual, Page: 54 / 218

40
Chapter 2 Basic Calculations
The following menu appears whenever you press
1
(X), while the statistical data
menu is on the display.
1
(X)
1
(
n
) ............. Number of data
2
( o ) ............. Mean of
x
data
3
(
Σ x
) ........... Sum of
x
data
4
(
Σ x
2 ) ..........
x
data sum of squares
[
1
(
x
σ
n
) .........
x
data population standard deviation
2
(
x σ
n -1
) .......
x
data sample standard
deviation
3
(minX) .......
x
data minimum value
4
(maxX) ......
x
data maximum value
Press
[
to return to the previous menu.
The following menu appears whenever you press
2
(Y) while the statistical data
menu is on the display.
2
(Y)
1
( p ) ............. Mean of
y
data
2
(
Σ y
) ........... Sum of
y
data
3
(
Σ y
2 ) ..........
y
data sum of squares
4
(
Σ xy
) .........
x
data and
y
data sum of products
[
1
(
y σ
n
) .........
y
data population standard deviation
2
(
y σ
n
-1
) .......
y
data sample standard deviation
3
(minY) .......
y
data minimum value
4
(maxY) ......
y
data maximum value
Press
[
to return to the previous menu.
1 2 3 4 [
1 2 3 4 [
1 2 3 4 [
1 2 3 4 [