Sentry Industries CA756 User Manual

Page 48

Standard deviation

• Standard deviation calculations are performed in the SD

mode (

). "SD" appears on the display.

• Before beginning calculations, the statistical memories

are cleared by pressing

followed by

and then

• Individual data are input using

• Multiple data of the same value can be input either by

repeatedly pressing

or by entering the data, pressing

,followed by

, that represents the number of

times the data is repeated, and then

• Standard Deviation

• Mean

* The values for n,

∑

x, and

∑

are stored in memories W,

V, and U respectively, and can be obtained by pressing

followed by the memory name and then

(i.e.