Statistics: Null hypothesis/chi-squared question.

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SUMMARY

The discussion centers on the confusion surrounding the interpretation of parts of a Chi-squared test for independence, specifically regarding homework questions labeled as parts a) and c). Participants clarify that the correct labels are actually i) and iii). The Chi-squared test is a statistical method used to determine if there is a significant association between categorical variables. Users emphasize the importance of understanding the wording of statistical problems to accurately apply the Chi-squared test.

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  • Understanding of Chi-squared tests for independence
  • Familiarity with categorical data analysis
  • Basic knowledge of statistical hypothesis testing
  • Ability to interpret statistical problem statements
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  • Research "Chi-squared test for independence" in statistical literature
  • Learn about interpreting statistical problem statements
  • Explore examples of Chi-squared tests in R or Python
  • Study the differences between null and alternative hypotheses in statistics
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Students studying statistics, educators teaching statistical methods, and data analysts working with categorical data who need clarity on Chi-squared tests.

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Homework Statement



http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations



The Attempt at a Solution



I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.
 
Last edited by a moderator:
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geoffreythelm said:

Homework Statement



http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations



The Attempt at a Solution



I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.

Google is your friend; search "chi squared test for independence".

RGV
 
Last edited by a moderator:
geoffreythelm said:

Homework Statement



http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations



The Attempt at a Solution



I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.

There are no parts a and c. Did you mean i and iii?
 
Last edited by a moderator:

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