Which text could be appropriate for this 2 x 2 table: the occurence of 2 species at an archaeological site

 inside burial      the entire site not including the burial


10 : 29

1 : 13

I would like to test whether dom had preferntial access into the burial as compared to mac, since more specimens of the former occur in the burial than of the latter. Whether assumptions of indipendence between the 2 samples hold and the type of distribution of such data are not known.

Much appreciated Lior


1 Answer 1


Assuming all samples are independent, fishers exact test should solve your problem.

  • $\begingroup$ Thanks Kirsten! $\endgroup$
    – Lior
    Jun 18, 2021 at 4:36
  • $\begingroup$ Probably, I have no good way of determining independence between the 2 samples and among the observations, I can only assume the mice individually entered the burial context over a period of time for the shelter it provided and died there. $\endgroup$
    – Lior
    Jun 18, 2021 at 7:00
  • $\begingroup$ wikipedia provide a very nice explanation of fishers exact test. Try to read part of it. There are multiple other webpages that describe it well, together with the independent assumptions, there is not point for me to repeat these explanations here. The independence in my comment is not something you test, but something you assume. $\endgroup$
    – Kirsten
    Jun 18, 2021 at 8:28

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