Chapter 2 basic calculations – Casio fx-7400G PLUS Basic Operation User Manual
Page 28
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
[