Body size and reproductive success in a population of male bullfrogs. As an example of field observation in evidence of theories of sexual selection, Arnold and Wade (1984, “On the measurement of natural and sexual selection: applications, Evolution, 38, p. 720-734) presented the following data set on size and number of mates observed in 38 male bullfrogs. Is there evidence that the distribution of number of mates in this population is related to body size? If so, supply a quantitative description of that relationship, along with an appropriate measure of uncertainty. Write a brief summary of statistical findings.

bodysize	mates
144	3
150	2
144	1
154	1
132	1
148	1
143	1
144	1
146	1
134	1
143	2
138	1
141	3
122	1
134	1
138	2
145	1
128	1
119	1
125	1
141	0
114	0
121	0
148	0
115	0
117	0
132	0
114	0
95	0
133	0
114	0
114	0
142	0
128	0
137	0
125	0
112	0
112	0