Statistical Calculations; Data Entry And Correction - Sharp EL-501E Operation Manual

STATISTICAL CALCULATIONS

Press @ Æ to select statistics mode.
The following statistics can be obtained:
x –
sx
σ x
n
Σ x
2
Σ x
DATA
95
80
80
75
75
75
50
x=
σx=
n=
Σx=
2
Σx =
sx=
2
sx =

Data Entry and Correction

Entered data are kept in memory until @ Æ or
F are pressed. Before entering new data, clear the
memory contents.
[Data Entry]
Data k
Data * frequency k (To enter multiples of the
same data)
[Data Correction]
Correction prior to pressing k:
Delete incorrect data with ª.
Mean of samples (x data)
Sample standard deviation (x data)
Population standard deviation (x data)
Number of samples
Sum of samples (x data)
Sum of squares of samples (x data)
@Æ
95 k
80 * 2 k
75 * 3 k
50 k
~
@p
n
@z
@w
£
L
– E-16 –
STAT
0.
1.
3.
6.
7.
75.71428571
12.37179148
7.
530.
41200.
13.3630621
178.5714286