290
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)
uu
uu
u2-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
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