fx-82MS

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S-VAR

On a Casio calculator you can recall statistical variables

SHIFT
		2

 

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SD mode

For standard deviation (SD mode) you can show

SHIFT
		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

SHIFT
		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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