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Definition of Terms
prob
:
χ
2
cumulative probability (
p
, 0
<
p
<
1)
df
:
degrees of freedom (positive integer)
Calculation Result Output
x
Inv
: inverse
χ
2
cumulative distribution
Example
Probability : 0.6092146
Degrees of freedom : 4
• Statistics Wizard Operation
(1) On the menu bar, tap [Calc] and then [Distribution].
(2) Select [Inverse
χ
2
CD] and then tap [Next >>].
(3) Input values.
(4) Tap [Next >>].
u
Program, eActivity or Main Application
Command: InvChiCD
Command Syntax
prob
value,
df
value
Input Example:
InvChiCD 0.6092146,4
k
F
Distribution
F
Probability Density
Menu: [Distribution]-[F PD]
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) =
–
Definition of Terms
x
: data value
n
:
df
: degrees of freedom of numerator (positive integer)
d
:
df
: degrees of freedom of denominator (positive integer)
Calculation Result Output
prob
:
F
probability density
7-11-11
Distributions