Casio SERIES FX-9860G - Manual (Page 343)

20070201
The following shows the meaning of each item in the case of list data specifi cation.
Data ............................. data type
C-Level ......................... confi dence level (0 < C-Level < 1)
σ
1
................................. population standard deviation of sample 1 (
σ
1
> 0)
σ
2
................................. population standard deviation of sample 2 (
σ
2
> 0)
List(1) ........................... list whose contents you want to use as data of sample 1
(List 1 to 26)
List(2) ........................... list whose contents you want to use as data of sample 2
(List 1 to 26)
Freq(1) ......................... frequency of sample 1 (1 or List 1 to 26)
Freq(2) ......................... frequency of sample 2 (1 or List 1 to 26)
Save Res ..................... list for storage of calculation results (None or List 1 to 26)
Execute ........................ executes a calculation
The following shows the meaning of parameter data specifi cation items that are different
from list data specifi cation.
űx
1
................................. mean of sample 1
n
1
................................. size (positive integer) of sample 1
űx
2
................................ mean of sample 2
n
2
................................. size (positive integer) of sample 2
After setting all the parameters, use c to move the highlighting to “Execute” and then press
the function key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
Calculation Result Output Example
Left ............................... confi dence interval lower limit (left edge)
Right ............................ confi dence interval upper limit (right edge)
¯x
1
................................. mean of sample 1
¯x
2
................................. mean of sample 2
x
1
σ
n -1
............................ standard deviation of sample 1
(Displayed only for Data: List setting.)
x
2
σ
n -1
............................ standard deviation of sample 2
(Displayed only for Data: List setting.)
n
1
................................. size of sample 1
n
2
................................. size of sample 2
6-6-5
Confi dence Interval