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fx-82MS


S-VAR

On a Casio calculator you can recall statistical variables

       2

 


SD mode

For standard deviation (SD mode) you can show

       2    xσxσn-1 
 1    2      3    
 

 1            Arithmetic mean

 2  xσn    Population

 3  xσn-1  Sample

 


REG mode

For regression calculations (REG mode) you can show

       2    xσxσn-1 
 1      2     3     
 

 1          Mean

 2  xσn     Population

 3  xσn-1  Sample

  yσyσn-1 
 1     2     3    

 1          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

  
 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

1  2    
  1     2    3   

 1  1

 2  2

 3 

 


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