Casio fx-9750G PLUS - Manual (Page 318)

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)
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