Timeline for Fisher's exact test and chi-squared test when cell counts are big
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Nov 20, 2017 at 20:59 | history | edited | gung - Reinstate Monica | CC BY-SA 3.0 |
light editing & formatting
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| Nov 20, 2017 at 20:57 | comment | added | gung - Reinstate Monica | If the marginals were fixed in advance, you should use Fisher's exact test (cf, Dataset for studying and teaching Fisher's exact test). In general, the chi-squared test will have more power, as you found in your case (cf, Given the power of computers these days, is there ever a reason to do a chi-squared test rather than Fisher's exact test?). | |
| Nov 20, 2017 at 20:17 | vote | accept | Nathgun | ||
| Nov 20, 2017 at 20:07 | comment | added | Nathgun | My question was, in a situation where a 2*2 table doesn't violate Cochran's rules is it better to use one test to the other if we are testing for independence? | |
| Nov 20, 2017 at 19:34 | answer | added | Michael R. Chernick | timeline score: 4 | |
| Nov 20, 2017 at 19:33 | comment | added | gung - Reinstate Monica | You get different p-values, so there must be a difference. Can you clarify what your question is? | |
| Nov 20, 2017 at 19:26 | history | asked | Nathgun | CC BY-SA 3.0 |