Analyze data and interpret. Include descriptive statistics table (contingency ta

Question

Analyze data and interpret. Include descriptive statistics table (contingency table or observed and expected values in a table). 11.7) At five study sites, you have trapped kangaroo rats of three species and you expect to find that Giant kangaroo rats are twice as abundant as either ofthe other two species. Determine whether the five sites may justifiably be pooled and if the abundance is in the expected 2:1:1 ratio. Study site A B C D E Giant kangaroo rat 87 92 12 69 54 Heermann's kangaroo rat 45 42 15 39 28 Tipton kangaroo rat 39 51 9 34 29

Explanation / Answer

A B C D E
Giant Kangaroo rat 87 92 12 69 54
Heermann's Kangaroo rat 45 42 15 39 28
Tipton KAngaroo rat 39 51 9 34 29
> chisq.test(chi_table)

   Pearson's Chi-squared test

data: chi_table
X-squared = 7.1602, df = 8, p-value = 0.5195

Conclusion: Since the p-value is 0.5195 is greater 0.05, hence we accept null hypothesis and conclude that their is no difference.

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