Casio FX-9750G PLUS User's Manual & Technical Reference page 340

18 - 8
Distribution
k k k k k F Distribution
You can use the following menu to select from the different types of
u u u u u F probability density
F
distribution at a specified
Perform the following key operations from the statistical data list.
Data is specified using parameter specification. The following shows the meaning
of each item.
Perform the following key operations to display a graph.
312
F
• {Fpd}/{Fcd} ... { probability density}/{
probability density calculates the probability density function for the F
n + d
Γ
2
f (x) =
n d
Γ Γ
2 2
5(DIST)
4(F)
1(Fpd)
x
..................... data
n df
- ................. numerator degrees of freedom (positive integer)
d df .................
- denominator degrees of freedom (positive integer)
Execute .......... executes a calculation or draws a graph
Example To calculate
value
For this example, we will calculate
x n
= 1, -
bw
cew
bjw
1(CALC)
p x F
( ) .................
J
ccc
6(DRAW)
F
distribution probability} calculation
x
value.
n
n
–
–1
n
2 nx
2
1 +
x
d
d
F
probability density for a specific parameter
df d df
= 24, and - = 19.
probability density
n + d
2
x
( > 0)
F
probability density when
F
distribution.