Precautionary Measures When Entering Data - Olympia LCD 9210 Benutzerhandbuch

Note!
Each time you press the
number of data entries made up to that time appears in the display
(n-value)
(Random sample standard deviation
(Population standard deviation
(Arithmetic mean
(No. of entries
n
(Sum of values ∑χ)
(Sum of the squares of the values ∑χ²)

Precautionary measures when entering data

Pressing
D
It is also possible to enter the same data several times using the
D
keys. E.g. to enter data value 110 ten times, press the keys
sequence 110
You can enter the above key operations in any sequence, i.e. not
D
necessarily in the order described.
When entering data and after completing data input, you can press
D
the and
entered the same data several times using the
specify the data frequency (number of data items) as described
above, scrolling through the data produces separate displays for the
data items and the data frequency (Freq).
You can edit the data displayed, if necessary. Enter the new value
D
and press the
means that you must press the
display before completing another operation (calculation, call in the
statistical calculation results, etc.).
If you press the
D
a value in the display, the newly entered value is registered as a new
data item, whereby the old value remains unchanged.
54
53
χ
)
)
enters the same data twice.
10
keys to scroll through the data entered. If you have
key to replace the old value with the new one. This
key instead of the
key to register the data entered, the
51 55
54 52
σ
)
n
-1
σ
)
n
.
key first to exit from the data
56
1.407885953
1.316956719
keys to
key after having changed
52.
........
SD.
53.375
8.
427.
22805.