Citizen SRP-280N Manual De Usuario
E – 16
File name : CBM_SR285,A_HDBSR285T19_English.doc
version : 2010/04/26
To insert a constant at the cursor position ( See Example 52. ) :
1. Press [ CONST ] to display the physical constants menu.
2. Press
[ ] until the constant you want is underlined.
3. Press
[
].
Mode 1 - STAT
There are three menu operations in statistics menu : 1–VAR ( for
analyzing data in a single dataset), 2–VAR ( for analyzing paired
data from two datasets ) and D–CL ( for clearing all datasets). See
Example 38.
analyzing data in a single dataset), 2–VAR ( for analyzing paired
data from two datasets ) and D–CL ( for clearing all datasets). See
Example 38.
Single-Variable / Two-Variable Statistics
Step :
1. From the statistics menu, choose 1–VAR or 2–VAR and
press [
].
2. Press [ DATA ] and there are three menus: DATA–INPUT,
LIMIT–SET, DISTR. Please select DATA–INPUT and press
[
[
].
3. Enter an x - value and press [ ].
4. Enter the frequency ( FREQ ) of the x - value (in 1–VAR
4. Enter the frequency ( FREQ ) of the x - value (in 1–VAR
mode) or the corresponding y - value ( in 2–VAR mode )
and press [ ].
and press [ ].
5. To enter more data, repeat from step 3.
6. Press [ 2nd ] [ STATVAR ] and scroll through the statistical
6. Press [ 2nd ] [ STATVAR ] and scroll through the statistical
result menus by [ ] or [ ] to find out statistical variables
you want. ( See table below )
you want. ( See table below )
Variable
Meaning
n
Number of the x values or x-y pairs entered.
or
Mean of the x values or y values
Xmax or Ymax Maximum of the x values or y values
Xmin or Ymin Minimum of the x values or y values
Sx or Sy
Xmin or Ymin Minimum of the x values or y values
Sx or Sy
Sample standard deviation of x values or y
values.
1
n
)
x
x
(
S
2
x
−
∑
−
=
,
1
n
)
y
y
(
Sy
2
−
∑
−
=
σ
x or σy
Population standard deviation of x values or y
values
n
)
x
x
(
x
2
∑
−
=
σ
,
n
)
y
y
(
y
2
∑
−
=
σ
Σ
x or Σy
Sum of all x values or y values