Casio fx-9750G PLUS User Manual
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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