Mode 1 - Stat; Single-Variable / Two-Variable Statistics - Citizen SRP-285II User Manual

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.

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
mode) or the corresponding y - value ( in 2–VAR mode )
and press [
5. To enter more data, repeat from step 3.
6. Press [ 2nd ] [ STATVAR ] and scroll through the statistical
result menus by [
you want. ( See table below )
Variable
n
or
Xmas or Ymax Maximum of the x values or y values
Xmin or Ymin Minimum of the x values or y values
Sx or Sy
σ x or σ y
Σ x or Σ y
].
].
].
].
] or [
Meaning
Number of the x values or x-y pairs entered.
Mean of the x values or y values
Sample standard deviation of x values or y
values.
S
x
Population standard deviation of x values or y
values
x
Sum of all x values or y values
E – 16
].
] to find out statistical variables
2
∑ x ( ) x
,
Sy
n 1
2
∑
x ( ) x
,
y
n
2
∑ y ( ) y
n 1
2
∑
y ( ) y
n