20021201
χ
2
Distribution Probability
Command:
ChiCD
䡺
Description:
This command calculates the probability of
χ
2
distribution data falling between
a
and
b
.
p
=
Γ
1
2
df
df
2
x e dx
2
1
df
2
–1
x
2
–
a
b
a
: lower boundary (Lower)
b
: upper boundary (Upper)
Command Syntax
Lower value, Upper value,
df
value
Definition of Terms
Lower : lower boundary
Upper : upper boundary
df
:
degrees of freedom (positive integer)
Input Example:
ChiCD 0.76,3,4
Calculation Result Output
p
:
χ
2
distribution probability
k
F
Distribution
F
Probability Density
Command:
FPD
䡺
Description:
This command calculates the probability density of
F
distribution from a
specified
x
value.
Γ
n
2
x
d
n
n
2
–
1
2
n
Γ
2
n
+
d
Γ
2
d
d
n
.
x
1 +
n + d
2
f
(
x
) =
–
Command Syntax
x
value,
n
:
df
value,
d
:
df
value
Definition of Terms
x
:
data value
n
:
df
: degrees of freedom of numerator (positive integer)
d
:
df
: degrees of freedom of denominator (positive integer)
7-11-6
Distribution
20030401
