Casio CFX-9970G User Manual page 302

18 - 6
Tests
The following key operation can be used to draw a graph.
k k k k k t Test
You can use the following menu to select a
• {1-S}/{2-S}/{REG} ... {1-Sample}/{2-Sample}/{LinearReg}
u u u u u 1-Sample t Test
This test uses the sample size and population mean value to test the hypothesis
that the sample is taken from the population. The 1-Sample
standard normal distribution.
Perform the following key operation from the statistical data list.
3(>)c
ccfw
daaw
cdaw
daaw
1(CALC)
p p
> ............... direction of test
1 2
z Z
...................... score
p
..................... p-value
ˆ p
.................... estimated proportion of population 1
1
ˆ p
.................... estimated proportion of population 2
2
ˆ p
..................... estimated sample proportion
n
.................... sample 1 size
1
n
.................... sample 2 size
2
J
ccccc
6(DRAW)
o –
µ
0
t =
% x
n–1
n
3(TEST)
t
2( )
1(1-S)
t
test type.
t
t
o
: sample mean
: assumed population mean
µ
0
x
: sample standard deviation
%
n
-1
n
: sample size
Test
Test is applied to
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