Casio 3.04 p, x 2 e, Menu:, Menu:, Example, Description:, Description:, Command Syntax, Input Example:, Command: ChiCD :, Definition of Terms, Calculation Result Output

7-11-10

Distributions

Χ2 Cumulative Distribution

Menu: [Distribution]-[Χ2CD ]

Description: This command calculates the probability of Χ2 distribution data falling between a and b.

p =	1		1
	df	2
	2

Definition of Terms

df	b
2		df	–1	–	x	a : lower bound (Lower)
	x 2 e				2 dx	b : upper bound (Upper)
	a

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 : δ)

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 .

SProgram, eActivity or Main Application

Command: ChiCD :

Command Syntax

Lower value, Upper value, df value

Input Example:

ChiCD 2.7,δ,4

Inverse Χ2 Cumulative Distribution

Menu: [Inv. Distribution]-[Inverse Χ2 CD]

Description: This command calculates the inverse of the Χ2 cumulative distribution.

This command returns the lower bound of integration value α that satisfies the equation above.

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