Sencor SEC 183 - Data Input Precautions

15 - EN
To recall this type of
value:
Perform this key operation:
• Example: To calculate

and for the following data:
55, .54, 51, 55, 53, 53, 54, 52
In the SD Mode:
Each time you press DT to register your input, the number of data input up to that point is
indicated on the display (n value)
Sample Standard Deviation (σ
n-1
) = 1,407885953
Population Standard Deviation (σ
n
) = 1,316956719
Arithmetic Mean ( ) = 53,375
Number of Data (n) = 8
Sum of Values (Σx) = 427
Sum of Squares of Values (Σx
2
) = 22805
Data Input Precautions
• DT DT inputs the same data twice.
• You can also input multiple entries of the same data using SHIFT ; . To input the data 110
ten times, for example, press 110 SHIFT ; 10 DT .
• You can perform the above Key operations in any order, and not necessarily that shown above.
• While inputting data or after inputting data Is complete, you can use the  and  keys to
scroll through data you have input. If you input multiple entries if the same data using SHIFT
; to specify the data frequency (number of data items) as described above, scrolling through
data shows both the data item and a separate screen for the data frequency (Fraq).
© FAST ČR a. s.