The values of the statistical variables depend on the data you in- put. You can recall them by the key operations shown in the below table. To predict a value for x (or y) given a value for y (or x), enter

 

 

 

 

 

 

 

 

^

^

 

the given value, press [ 2nd ] [ y ] (or [ 2nd ] [ x ] ), and press [ = ]

again. See Example 42~43.

 

 

 

 

 

 

 

 

 

 

 

 

 

Σ

x

2

[ RCL ] + [

A ]

Xσn

[ 2nd ] + [ xσn ]

 

 

 

 

 

Σx

 

[ RCL ] + [

B

]

xσn-1

[ 2nd ] + [ xσn-1]

 

 

 

 

 

 

 

 

 

_

_

 

n

 

 

[ RCL ] + [ C ]

y

[ 2nd ] + [ y ]

 

Σ

y

2

[ RCL ] + [

D

]

yσn

[ 2nd ] + [ yσn ]

 

 

 

 

Σ

y

 

[ RCL ] + [

E

]

yσn-1

[ 2nd ] + [ yσn-1]

 

 

 

 

 

 

 

 

Σxy

[ RCL ] + [

F

]

A

[ 2nd ] + [ A ]

 

Σx 3

[ RCL ] + [ M ]

B

[ 2nd ] + [ B ]

 

Σ

 

 

2

y

[ RCL ] + [

X

]

C

[ 2nd ] + [ C ]

 

x

 

 

 

Σx 4

[ RCL ] + [

Y

]

r

[ 2nd ] + [ r ]

 

_

 

 

 

 

^

 

^

^

 

x

 

 

 

 

 

 

 

[ 2nd ] + [ x ]

 

x

[ 2nd ] + [ x ]

 

 

 

 

 

 

 

 

 

^

^

 

 

 

 

 

 

 

 

 

y

 

 

 

 

 

 

 

 

 

[ 2nd ] + [ y ]

 

(Note) : Variable Σx 4 , Σx 2y are only available in Quadratic regression.

-E14-

Page 15
Image 15
Citizen SR-270N manual 2nd + x σ n-1 RCL + C 2nd + y 2nd + y σ n