User Guide
Table Of Contents
- Getting Ready
 - Contents
 - About This User’s Guide
 - Chapter 1 Getting Acquainted
 - Chapter 2 Using the Main Application
- 2-1 Main Application Overview
 - 2-2 Basic Calculations
 - 2-3 Using the Calculation History
 - 2-4 Function Calculations
 - 2-5 List Calculations
 - 2-6 Matrix and Vector Calculations
 - 2-7 Using the Action Menu
 - 2-8 Using the Interactive Menu
 - 2-9 Using the Main Application in Combination with Other Applications
 - 2-10 Using Verify
 
 - Chapter 3 Using the Graph & Table Application
 - Chapter 4 Using the Conics Application
 - Chapter 5 Using the 3D Graph Application
 - Chapter 6 Using the Sequence Application
 - Chapter 7 Using the Statistics Application
- 7-1 Statistics Application Overview
 - 7-2 Using List Editor
 - 7-3 Before Trying to Draw a Statistical Graph
 - 7-4 Graphing Single-Variable Statistical Data
 - 7-5 Graphing Paired-Variable Statistical Data
 - 7-6 Using the Statistical Graph Window Toolbar
 - 7-7 Performing Statistical Calculations
 - 7-8 Test, Confidence Interval, and Distribution Calculations
 - 7-9 Tests
 - 7-10 Confidence Intervals
 - 7-11 Distribution
 - 7-12 Statistical System Variables
 
 - Chapter 8 Using the Geometry Application
 - Chapter 9 Using the Numeric Solver Application
 - Chapter 10 Using the eActivity Application
 - Chapter 11 Using the Presentation Application
 - Chapter 12 Using the Program Application
 - Chapter 13 Using the Spreadsheet Application
 - Chapter 14 Using the Setup Menu
 - Chapter 15 Configuring System Settings
- 15-1 System Setting Overview
 - 15-2 Managing Memory Usage
 - 15-3 Using the Reset Dialog Box
 - 15-4 Initializing Your ClassPad
 - 15-5 Adjusting Display Contrast
 - 15-6 Configuring Power Properties
 - 15-7 Specifying the Display Language
 - 15-8 Specifying the Font Set
 - 15-9 Specifying the Alphabetic Keyboard Arrangement
 - 15-10 Optimizing “Flash ROM”
 - 15-11 Specifying the Ending Screen Image
 - 15-12 Adjusting Touch Panel Alignment
 - 15-13 Viewing Version Information
 
 - Chapter 16 Performing Data Communication
 - Appendix
 

20050501
k χ
2
 Test
χ
2
 Test
Command: ChiTest 䡺
Description: This command tests hypotheses concerning the proportion of samples
included in each of a number of independent groups. The 
χ
2
 Test command is
used in the case of dichotomous variables, which are variables that have only
two possible values (such as “yes” or “no”).
Expected Frequencies
F
ij
 = 
Σ
x
ij
i=1
k
×
Σ
x
ij
j=1
ΣΣ
i=1
k
j=1
x
ij
χ
2 
= 
ΣΣ
F
ij
i=1
k
(xij – Fij)
2
j
=1
Command Syntax
Observed matrix
Definition of Terms
Observed matrix: name of matrix containing observed values (positive integers in
all cells)
Input Example:
ChiTest matrixa
Calculation Result Output
χ
2
 : χ
2
 value
p : p-value
df : degrees of freedom
Tip
• The minimum size of the matrix is 2 × 2. An error occurs if the matrix has only one row or one
column.
• The result of the expected frequency calculation is stored in the system variable named
“Expected”.
7-9-10
Tests










