Casio CFX-9970G, Руководство пользователя

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302
Example To calculate the 2-Sample
t
Interval when two lists of data are
input
For this example, we will obtain the 2-Sample
t
Interval for data 1
= {55, 54, 51, 55, 53, 53, 54, 53} and data 2 = {55.5, 52.3, 51.8, 57.2,
56.5} without pooling when C-Level = 0.95.
1
(List)
c
a.jf w
1
(List1)
c 2
(List2)
c 1
(1)
c
1
(1)
c 2
(Off)
c 1
(CALC)
Left ................. interval lower limit (left edge)
Right ............... interval upper limit (right edge)
df
.................... degrees of freedom
o
1
.................... sample 1 mean
o
2
.................... sample 2 mean
x
1
%
n
-1
............... sample 1 standard deviation
x
2
%
n
-1
............... sample 2 standard deviation
n
1
.................... sample 1 size
n
2
.................... sample 2 size
The following item is also shown when Pooled = On.
x
p
%
n
-1
............... pooled sample standard deviation
18 - 7
Confidence Interval