A paper in PNS looked at the difference in species number between related groups of multiple...

A paper in PNS looked at the difference in species number between related groups of multiple mating versus single mating insects. Paired phylogenetic contrasts are shown in the table below. Analyze data non-parametrically. Show all steps.

Polyandrous	Monandrous
53	10
73	120
228	74
353	289
157	30
300	4
34	18
3400	3500
20	1000
196	486
1750	660
55	63
37	115
100	30
21000	60
37	40
7	5

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Expert Solution

Dear your satisfaction is more important, I provided answers with detailed explanation. If you are satisfied with my explanations please THUMBS UP.. Thanks inadvance for your support dear....

We can conduct Wilcoxon Signed Rank Test here.

Null hypothesis Ho : Two population medians are identical

Alternative hypothesis H1 : They are different

Full calculation with detailed steps are given below as an image.

Decision: Since the test is not significant,i.e, p value > 0.05 , we have no sufficient evidence to Reject Null Hypothesis

Conclusion : At 95% confidence level we conclude that two population medians are identical

orchestra answered 1 year ago

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