12(S-VAR)1(VAR)e

 

y

yσn

yσn–1

1

2

3

 

 

 

 

 

 

1E

y

 

 

14

 

 

 

 

* This is one example of possible calculation results.

A REG Mode Statistical Command Reference
Sum and Number of Sample Command (S-SUM Menu)
ƙx2

11(S-SUM)1

 

ƙxy

11(S-SUM)e3

Obtains the sum of squares of the sample

Obtains the sum of products of the sample

x-data.

 

x-data and y-data.

Σx2 = Σxi2

ƙx11(S-SUM)2

Obtains the sum of the sample x-data.

Σx = Σxi

n11(S-SUM)3

Obtains the number of samples.

n= (number of x-data items)

ƙy211(S-SUM)e1

Obtains the sum of squares of the sample y-data.

Σy2 = Σyi2

ƙy 11(S-SUM)e2

Obtains the sum of the sample y-data.

Σxy = Σxiyi

ƙx2y 11(S-SUM)d1

Obtains the sum of squares of the sample x-data multiplied by the sample y-data.

Σx2y = Σxi2yi

ƙx311(S-SUM)d2

Obtains the sum of cubes of the sample x-data.

Σx3 = Σxi3

ƙx411(S-SUM)d3

Obtains the sum of the fourth power of the sample x-data.

Σx4 = Σxi4

Σy = Σyi
Mean and Standard Deviation Commands (VAR Menu)

x¯

12(S-VAR)1(VAR)1

 

xσn

12(S-VAR)1(VAR)2

Obtains the mean of the sample x-data.

 

Obtains the population standard deviation

 

o =

Σxi

 

of the sample x-data.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

n

 

 

 

xσn =

Σ(xi – o)2

 

 

 

 

 

 

n

 

 

 

 

 

 

 

 

E-44