Podcast
Questions and Answers
What is the primary use of a chi-squared test?
What is the primary use of a chi-squared test?
- To determine the sample size of a contingency table
- To examine whether two categorical variables are independent (correct)
- To determine the dimensions of a contingency table
- To determine if two categorical variables are dependent
Which test is used instead of the chi-squared test for smaller sample sizes?
Which test is used instead of the chi-squared test for smaller sample sizes?
- Pearson's chi-squared test
- t-test
- Binomial test
- Fisher's exact test (correct)
Under what hypothesis is the test statistic chi-squared distributed in a chi-squared test?
Under what hypothesis is the test statistic chi-squared distributed in a chi-squared test?
- Alternative hypothesis
- Both null and alternative hypotheses
- Null hypothesis (correct)
- Neither null nor alternative hypotheses
What does the chi-squared test primarily examine?
What does the chi-squared test primarily examine?
What is a valid condition for the chi-squared test?
What is a valid condition for the chi-squared test?
What is the purpose of Pearson's chi-squared test?
What is the purpose of Pearson's chi-squared test?
Flashcards
Chi-squared test purpose
Chi-squared test purpose
To examine whether two categorical variables are independent.
Fisher's exact test
Fisher's exact test
Used instead of the chi-squared test for smaller sample sizes.
Null hypothesis
Null hypothesis
The hypothesis under which the test statistic is chi-squared distributed.
Independence examination
Independence examination
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Valid chi-squared condition
Valid chi-squared condition
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Pearson's chi-squared test
Pearson's chi-squared test
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