Casio FX-9750G plus User Manual page 318

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Tests
χ .................... χ
2
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
F
2-Sample 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
σ
x
2
F = 1 n–1
σ
x
2
2 n–1
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 .................... population standard deviation test conditions ("G σ
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
Execute .......... executes a calculation or draws a graph
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value
2
F
Test is applied to the
specifies two-tail test, "< σ
sample 1 is smaller than sample 2, "> σ
test where sample 1 is greater than sample 2.)
F
distribution.
2
" specifies one-tail test where
2
" specifies one-tail
2
"