Casio Algebra FX 2.0 PLUS User Manual page 39

The following shows the meaning of each item in the case of list data specification.
Data ............................ data type
C-Level ........................ confidence level (0 < C-Level < 1)
σ ................................. population standard deviation of sample 1 ( σ
1
σ ................................. population standard deviation of sample 2 ( σ
2
List(1) .......................... list whose contents you want to use as data of sample 1
List(2) .......................... list whose contents you want to use as data of sample 2
Freq(1) ........................ frequency of sample 1 (1 or List 1 to 20)
Freq(2) ........................ frequency of sample 2 (1 or List 1 to 20)
Save Res ..................... list for storage of calculation results (None or List 1 to 20)
Execute ....................... executes a calculation
The following shows the meaning of parameter data specification items that are different
from list data specification.
o ................................. mean of sample 1
1
n
................................. size (positive integer) of sample 1
1
................................. mean of sample 2
o
2
n
................................. size (positive integer) of sample 2
2
After setting all the parameters, align the cursor with [Execute] and then press the function
key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
Calculation Result Output Example
Left .............................. interval lower limit (left edge)
Right ............................ interval upper limit (right edge)
................................. mean of sample 1
o
1
................................. mean of sample 2
o
2
σ
x
............................ standard deviation of sample 1
n
1 -1
x σ
............................ standard deviation of sample 2
2 n -1
n
................................. size of sample 1
1
n
................................. size of sample 2
2
1-3-5
Confidence Interval (INTR)
(List 1 to 20)
(List 1 to 20)
(Displayed only for Data: List setting.)
(Displayed only for Data: List setting.)
20011101 20010101
> 0)
1
> 0)
2