A 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.

Calculation formula used for each command

o

 x

= n

x

n

=

  (x   o)

2

n

x

n

  1

=

  (x   o)

2

n

   1

 y

p = n

y

n

=

  (y   p)

2

n

y

n

  1

=

  (y   p)

2

n

   1

 y   B. x

A =

n

n. xy    x. y

B

 =

n. x

2 

(

 x

)

2

n. xy    x. y

r

 =

{

n. x

2 

(

 x

)

2

}{

n. y

2 

(

 y

)

2

}

y   A

m =

B

n = A + Bx

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