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A
Inputting Sample Data
Frequency On (FreqOn)
The following shows the key operations required when inputting class values (
x
1
,
y
1
), (
x
2
,
y
2
), ...(
xn
,
yn
), and frequencies Freq1, Freq2, ... Freq
n
.
{
x
1
}
,
{
y
1
}
1
,
(;) {Freq1}
m
(DT)
{
x
2
}
,
{
y
2
}
1
,
(;) {Freq2}
m
(DT)
{
xn
}
,
{
yn
}
1
,
(;) {Freq
n
}
m
(DT)
Note
If the frequency of a class value is only one, you can input it by pressing {
xn
}
,
{
yn
}
m
(DT)
only (without specifying the frequency).
Frequency Off (FreqOff)
In this case, input each individual data item as shown below.
{
x
1
}
,
{
y
1
}
m
(DT)
{
x
2
}
,
{
y
2
}
m
(DT)
{
xn
}
,
{
yn
}
m
(DT)
A
Viewing Current Sample Data
After inputting sample data, you can press
c
to scroll through the data in the sequence
you input it. The
$
symbol indicates there is data below the sample that is currently on the
display. The
`
symbol indicates there is data above.
When the statistical frequency setting is FreqOn, data is displayed in the sequence:
x
1
,
y
1
,
Freq1,
x
2
,
y
2
, Freq2, and so on. In the case of FreqOff, it is displayed in the sequence:
x
1
,
y
1
,
x
2
,
y
2
,
x
3
,
y
3
, and so on. You can also use
f
to scroll in the reverse direction.
A
Editing a Data Sample
To edit a data sample, recall it, input the new value(s), and then press
E
.
A
Deleting a Data Sample
To delete a data sample, recall it and then press
1m
(CL).
A
Deleting All Sample Data
See “Deleting All Sample Data” (page 41).
A
Statistical Calculations Using Input Sample Data
To perform a statistical calculation, input the applicable command and then press
E
. To
determine the mean (
o
or
p
) value of the current sample data, for example, perform the
operation shown below.
1
2
(S-VAR)
1
(VAR)
1
E
x xσn xσn–
1
12 3
x xσn xσn–
1
12 3
x
115
x
115