SOCR EduMaterials AnalysisActivities Chi Contingency
From Socr
SOCR Analyses Example on the Chi-Square Contingency Table
This example is based on the data taken from "Mathematical Statistics and Data Analysis" by John A. Rice, Second Edition, Ducbury Press, 1995. (page 491)
Steps:
1. Click on "Chi-Square Test Contingency Table" from the combo box in the left panel.
![](/distributome/uploads/thumb/a/a6/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig1.gif/700px-SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig1.gif)
![](/distributome/uploads/a/af/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig2.gif)
2. Click on "Input" button to set up table size and type in data.
You will first see a screen like this.
![](/distributome/uploads/thumb/2/22/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig2A.gif/700px-SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig2A.gif)
The number of rows and/or columns can be changed.
![](/distributome/uploads/c/c6/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig2B.gif)
We'll se 2 by 2 in our example. Enter the data. Use mouse click and tabs to move around.
Note that, if you don't like the default row and column names, you can change them.
![](/distributome/uploads/d/d2/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig2C.gif)
3. Now you're ready to see the results. Just click on the "Result" button.
![](/distributome/uploads/5/51/SOCR_AnalysisActivities_ChiTable_Chu_061407_Fig3.gif)
Note: if you happen to click on the "Clear" button in the middle of the procedure, all the data will be cleared out. Simply start over from step 1 and reteive the data by click an EXAMPLE button.
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