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fx-82MS


S-VAR

On a Casio calculator you can recall statistical variables

SHIFT
        2

 


SD mode

For standard deviation (SD mode) you can show

SHIFT
        2    xσxσn-1 
 1    2      3    
 

          Arithmetic mean

xσn    Population

xσn-1  Sample

 


REG mode

For regression calculations (REG mode) you can show

SHIFT
        2    xσxσn-1 
 1      2     3     
 

        Mean

xσn     Population

xσn-1  Sample

  yσyσn-1 
 1     2     3    

        Mean

yσn     Population

yσn-1  Sample

 

In case of regression calculations other than quadratic regression it shows

A  B   r   
 1    2     3   

A      Regression coefficient A (y-intercept)

B      Regression coefficient B (slope)

r      Correlation coefficient

  
 1   2        

x   

y    

 

In case of quadratic regression it shows

A   B   C  
 1     2     3    

A     Regression coefficient A

B     Regression coefficient B

C     Regression coefficient C

1  2    
  1     2    3   

1

2

3

 


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