7-9-14

Tests

Calculation Result Output

χ2 : χ2 value

p : p-value

df : degrees of freedom

Example

 

 

 

a =

 

11

68

3

 

 

9

23

5

 

 

• Statistics Wizard Operation

(1) J

(2) Input the matrix and assign it to variable a.

(3) mI

(4) On the menu bar, tap [Calc] and then [Test].

(5) Select [χ2 Test] and then tap [Next >>].

(6) Input matrix a in the Matrix dialog box.

(7) Tap [Next >>].

(8) To display the graph, tap $.

uProgram, eActivity or Main Application

Command: ChiTest

Command Syntax

Observed matrix

Input Example:

ChiTest matrixa

Tip

•The minimum size of the matrix is 1 ⋅ 2. An error occurs if the matrix has only one row.

•The result of the expected frequency calculation is stored in the system variable named “Expected”.

k2-Sample F Test

2-Sample F Test

Menu: [Test]-[Two-Sample FTest]

Description: This command tests hypotheses concerning the ratio of the population variance of two populations. A 2-Sample F Test uses F distribution.

F= x1σn–12x2σn–12

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