Casio fx-9860G AU User Manual page 345

Casio user's guide calculator fx-9860g au
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The following confidence interval applies when pooling is not in effect.
significance. The value 100 (1 – ) % is the confidence level.
Left = (o
Right = (o
df =
C
n
1
C =
x
1
n
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)
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 26)
Freq(2) ........................ frequency of sample 2 (1 or List 1 to 26)
Pooled ......................... pooling On (in effect) or Off (not in effect)
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 specification items that are different
from list data specification.
6-6-10
Confidence Interval
x
1
– o
)– t
n
1
2
df
2
1
x
1
– o
)+ t
1
2
df
2
1
2
(1–C )
2
+
–1
n
–1
2
x
2
1
n–1
n
1
x
2
2
2
n–1
n–1
+
n
2
1
(List 1 to 26)
(List 1 to 26)
20050401
x
2
2
n–1
2
n–1
+
n
2
x
2
2
2
n–1
n–1
+
n
n
1
2
is the level of

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