Casio FX300ES User Guide - Page 40

Commands when Linear Regression Calculation, A+BX Is Selected

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Var Sub-menu (11(STAT)5(Var)) Select this menu item: When you want to obtain this: 1n 2o 3xσn 4xσn-1 Number of samples Mean of the sample data Population standard deviation Sample standard deviation MinMax Sub-menu (11(STAT)6(MinMax)) Select this menu item: When you want to obtain this: 1minX Minimum value 2maxX Maximum value Appendix Single-variable Statistical Calculation Select single-variable (1-VAR) and input the following data: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} (FREQ: ON) Edit the data to the following, using insert and delete: {0, 1, 2, 3, 4, 5, 6, 7, 9, 10} (FREQ: ON) Edit the FREQ data to the following: {1, 2, 1, 2, 2, 2, 3, 4, 2, 1} (FREQ: ON) • Examples through all use the same data as Example . Calculate sum of squares of the sample data and sum of the sample data. Calculate number of samples, mean, and population standard deviation. Calculate minimum value and maximum value. Commands when Linear Regression Calculation (A+BX) Is Selected With linear regression, regression is performed in accordance with the following model equation. y = A + BX The following are the commands that appear on the sub-menus that appear when you select 4(Sum), 5(Var), 6(MinMax), or 7(Reg) on the STAT menu while linear regression is selected as the statistical calculation type. See Appendix for information about the calculation formula used for each command. E-38

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E-38
Var Sub-menu (
1
1
(STAT)
5
(Var))
Select this
When you want to obtain this:
menu item:
1
n
Number of samples
2
o
Mean of the sample data
3
x
σ
n
Population standard deviation
4
x
σ
n
–1
Sample standard deviation
MinMax Sub-menu (
1
1
(STAT)
6
(MinMax))
Select this
When you want to obtain this:
menu item:
1
minX
Minimum value
2
maxX
Maximum value
Appendix
Single-variable Statistical Calculation
<#040>
Select single-variable (1-VAR) and input the following data:
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
(FREQ: ON)
<#041>
Edit the data to the following, using insert and delete:
{0, 1, 2, 3, 4, 5, 6, 7, 9, 10}
(FREQ: ON)
<#042>
Edit the FREQ data to the following:
{1, 2, 1, 2, 2, 2, 3, 4, 2, 1}
(FREQ: ON)
• Examples <#043> through <#045> all use the same data as
Example <#042>.
<#043> Calculate sum of squares of the sample data and sum of
the sample data.
<#044> Calculate number of samples, mean, and population
standard deviation.
<#045>
Calculate minimum value and maximum value.
Commands when Linear Regression Calculation
(A+BX) Is Selected
With linear regression, regression is performed in accordance with
the following model equation.
y
=
A
+
BX
The following are the commands that appear on the sub-menus that
appear when you select
4
(Sum),
5
(Var),
6
(MinMax), or
7
(Reg) on the STAT menu while linear regression is selected as
the statistical calculation type.
See
Appendix
<#046> for information about the calculation
formula used for each command.