Casio CFX-9850G PLUS, User'S Manual & Technical Reference

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χ
2
....................
χ
2
value
p
..................... p-value
df
.................... degrees of freedom
Expected ........ expected counts (Result is always stored in MatAns.)
The following key operations can be used to display the graph.
J
c
6
(DRAW)
u u
u u u
2-Sample
F
Test
2-Sample
F
Test
tests the hypothesis that when a sample result is composed of
multiple factors, the population result will be unchanged when one or some of the
factors are removed. The
F
Test is applied to the
F
distribution.
F
=
x
1 n –1
2
σ
x
2 n –1
2
σ
Perform the following key operations from the statistical data list.
3
(TEST)
4
(F)
The following is the meaning of each item in the case of list data specification.
Data ................ data type
σ
1
.................... population standard deviation test conditions (“
G
σ
2
”
specifies two-tail test, “<
σ
2
” specifies one-tail test where
sample 1 is smaller than sample 2, “>
σ
2
” specifies one-tail
test where sample 1 is greater than sample 2.)
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
Execute .......... executes a calculation or draws a graph
18 - 6
Tests