Casio FX300ES User Guide - Page 39

STAT Menu Items, Single-variable 1-VAR Statistical Calculation, Commands - standard deviation

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STAT Menu Items Common Items Select this menu item: When you want to do this: 1Type Display the statistical calculation type selection screen 2Data Display the STAT editor screen 3Edit Display the Edit sub-menu for editing STAT editor screen contents 4Sum Display the Sum sub-menu of commands for calculating sums 5Var Display the Var sub-menu of commands for calculating the mean, standard deviation, etc. 6MinMax Display the MinMax sub-menu of commands for obtaining maximum and minimum values Paired-variable Menu Item Select this menu item: When you want to do this: 7Reg Display the Reg sub-menu of commands for regression calculations • For details see "Commands when Linear Regression Calculation (A+BX) Is Selected" and "Commands when Quadratic Regression Calculation (_+CX2) Is Selected". Single-variable (1-VAR) Statistical Calculation Commands The following are the commands that appear on the sub-menus that appear when you select 4(Sum), 5(Var), or 6(MinMax) on the STAT menu while a single-variable statistical calculation type is selected. See Appendix for information about the calculation formula used for each command. Sum Sub-menu (11(STAT)4(Sum)) Select this menu item: 1Σx2 2Σx When you want to obtain this: Sum of squares of the sample data Sum of the sample data E-37

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E-37
STAT Menu Items
Common Items
Select this
When you want to do this:
menu item:
1
Type
Display the statistical calculation type selection
screen
2
Data
Display the STAT editor screen
3
Edit
Display the Edit sub-menu for editing STAT editor
screen contents
4
Sum
Display the Sum sub-menu of commands for
calculating sums
5
Var
Display the Var sub-menu of commands for
calculating the mean, standard deviation, etc.
6
MinMax
Display the MinMax sub-menu of commands for
obtaining maximum and minimum values
Paired-variable Menu Item
Select this
When you want to do this:
menu item:
Display the Reg sub-menu of commands for
regression calculations
7
Reg
• For details see “Commands when Linear
Regression Calculation (A+BX) Is Selected” and
“Commands when Quadratic Regression
Calculation (_+CX
2
) Is Selected”.
Single-variable (1-VAR) Statistical Calculation
Commands
The following are the commands that appear on the sub-menus that
appear when you select
4
(Sum),
5
(Var), or
6
(MinMax) on the
STAT menu while a single-variable statistical calculation type is
selected.
See
Appendix
<#039> for information about the calculation
formula used for each command.
Sum Sub-menu (
1
1
(STAT)
4
(Sum))
Select this
When you want to obtain this:
menu item:
1
Σ
x
2
Sum of squares of the sample data
2
Σ
x
Sum of the sample data