Citizen Systems SR-135N manual Statistical calculation, Shift SD

Models: SR-135N

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5 [+/–] [a] 8 [b]

DEG

CPLX

 

 

 

8.

 

[=]

DEG

CPLX

 

 

 

222.

 

[b]

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CPLX

 

 

 

606.

7. Statistical calculation.

Example:

(1)What is the average and standard deviation? Data: 55, 53, 57, 54, 51, 56, 55, 52

Key Input

[SHIFT] [SD]

[5][5] [DATA]

[5][3] [DATA]

[5][7] [DATA]

[5][4] [DATA]

[5][1] [DATA]

[5][6] [DATA]

[5][5] [DATA]

[5][2] [DATA]

[ x ] [SHIFT] [Σx] [SHIFT] [Σx2] [n]

[σn–1]

[x2]

[SHIFT] [σn]

[SHIFT] [SD]

Display Note

SD

0set statistics mode

1display the volume

2of input data

3

4

5

6

7

8

54.125

Average of datum

433

Total of datum

23465

Total of square of datum

8

Number of input data

2.031009601

Standard deviation of

samples (σn–1)

 

4.125

Unbiased of variance

 

Standard deviation of

1.899835519 population (σn)

0Clear the statistics mode ("SD" clear)

- E16 -

SR135_English_090326.rtf

SIZE : 140x75mm

SCALE 2:1

2009/3/26

 

 

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Citizen Systems SR-135N manual Statistical calculation, Shift SD