Chi square made simple
[DOCX File]Online Resources
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Feedback: Directional alternative hypotheses using the chi-square test are only valid for 2 × 2 contingency tables – any larger and the chi-square test is testing compound hypotheses. Men and women were asked which type of animal they thought made the best pets.
[DOC File]Simple Mendelian Genetics in Drosophila
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Entering the Chi square distribution table with 1 degree of freedom and reading along the row we find our value of x2 (1.31) lies between 0.455 and 2.706. The corresponding probability is 0.5
[DOC File]Chi-sq explanation - Radford University
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CHI-SQUARE TEST EXPLANATION. Let’s say you want to know if there is a difference in the proportion of men and women who are left handed and let’s say in your sample 10% of men and 5% of women were left-handed. How it’s Calculated (Without the gory details) 1. You collect the data. For example, you ask 120 men and 140 women which hand they ...
[DOC File]CHAPTER 17: SOCIAL STATISTICS
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7. Chi square is based upon a comparison of observed frequencies with the frequencies that would be expected if there were no relationship between the variables. 8. A gamma value of .7 indicates a stronger relationship than a gamma value of -.7. 9. If given r you can always compute r squared; however, if given r squared you cannot always ...
[DOC File]Data Analysis and Reporting
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Chi square is a statistical technique to test hypotheses about frequencies in various categories. This technique uses categories that can be distinguished from one another but are not hierarchical. This type of analysis could be used to analyze attitudes toward the use of bicycle helmets (strongly agree, agree, neutral, disagree, and strongly ...
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