fx-82MS

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S-VAR

On a Casio calculator you can recall statistical variables

		2

 

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SD mode

For standard deviation (SD mode) you can show

		2		x̅  xσn xσn-1   1    2      3

 1  x̅          Arithmetic mean

 2  xσn    Population

 3  xσn-1  Sample

 

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REG mode

For regression calculations (REG mode) you can show

		2		x̅  xσn xσn-1   1      2     3

 1  x̅        Mean

 2  xσn     Population

 3  xσn-1  Sample

y̅  yσn yσn-1   1     2     3

 1  y̅        Mean

 2  yσn     Population

 3  yσn-1  Sample

 

In case of regression calculations other than quadratic regression it shows

A  B   r     1    2     3

 1  A      Regression coefficient A (y-intercept)

 2  B      Regression coefficient B (slope)

 3  r      Correlation coefficient

x̂  ŷ  1   2

 1  x   

 2  y    

 

In case of quadratic regression it shows

A   B   C    1     2     3

 1  A     Regression coefficient A

 2  B     Regression coefficient B

 3  C     Regression coefficient C

x̂1  x̂2  ŷ     1     2    3

 1  x̂1

 2  x̂2

 3  ŷ

 

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