Distributions
χ2 Cumulative Distribution
Menu:
Description: This command calculates the probability of χ2 distribution data falling between a and b.
p = | 1 | 1 | |
df | 2 | ||
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Definition of Terms
df | b |
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| a : lower bound (Lower) | |
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| df | – |
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| x 2 | e |
| 2 dx | b : upper bound (Upper) | ||
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Lower : lower bound
Upper : upper bound
df : degrees of freedom (positive integer)
Calculation Result Output
prob : χ2 distribution probability p
Example
Lower bound : 2.7 (upper bound : ∞)
Degrees of freedom : 4
•Statistics Wizard Operation
(1)On the menu bar, tap [Calc] and then [Distribution].
(2)Select [χ2 CD] and then tap [Next >>].
(3)Input values.
(4)Tap [Next >>].
(5)To display the graph, tap $.
uProgram, eActivity or Main Application
Command: ChiCD
Command Syntax
Lower value, Upper value, df value
Input Example:
ChiCD 2.7,∞,4
Inverse χ2 Cumulative Distribution
Menu:
Description: This command calculates the inverse of the χ2 cumulative distribution.
∞
Lower bound of integration α =?
20080201