Casio fx-9750G PLUS - Manual (Page 330)

302
Perform the following key operations from the statistical data list.
4 (INTR)
2 ( t )
2 (2-S)
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)
List1 ................ list whose contents you want to use as sample 1 data
List2 ................ list whose contents you want to use as sample 2 data
Freq1 .............. frequency of sample 1
Freq2 .............. frequency of sample 2
Pooled ............ pooling On or Off
Execute .......... executes a calculation
The following shows the meaning of parameter data specification items that are
different from list data specification.
o
1
.................... sample 1 mean
x
1
σ
n -1
............... sample 1 standard deviation ( x
1
σ
n -1
> 0)
n
1
.................... sample 1 size (positive integer)
o
2
.................... sample 2 mean
x
2
σ
n -1
............... sample 2 standard deviation ( x
2
σ
n -1
> 0)
n
2
.................... sample 2 size (positive integer)
18 - 7
Confidence Interval