The process by which a single species splits into two species is still not well understood. One hypothesis is that in species in which female mate more than once would be more prone to associate with sexual conflict and this conflict can lead to speciation. Research identified 25 insect groups (Taxon pair), in which one group the female mate multiple times, and the other closely related group the female only mate once. The results can be found in the table below. Number of species Taxon pair Multiple-mating group Single-mating group Difference Above (+) or below (-) zero A 53 10 43 + B 73 120 -47 - C 228 74 154 + D 353 289 64 + E 157 30 127 + F 300 4 296 + G 34 18 16 + H 3400 3500 -100 - I 20 1000 -980 - J 196 486 -290 - K 1750 660 1090 + L 55 63 -8 - M 37 115 -78 - N 100 30 70 + O 21000 600 20400 + P 37 40 -3 - Q 7 5 2 + R 15 7 8 + S 18 6 12 + T 240 13 227 + U 115 14 1 + V 77 16 61 + W 15 14 1 + X 85 6 79 + Y 86 8 78 + State your null and alternative hypotheses. Use binomial test to test the hypothesis. [hint: x= number of (-) n= total number of taxon pairs] Interpret the p-value and state the conclusion from your test

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Description: The process by which a single species splits into two species is still not well understood. One hypothesis is that in species in which female mate more than once would be more prone to associate with sexual conflict and this conflict can lead to spec

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 28PPS

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The process by which a single species splits into two species is still not well understood. One hypothesis is that in species in which female mate more than once would be more prone to associate with sexual conflict and this conflict can lead to speciation. Research identified 25 insect groups (Taxon pair), in which one group the female mate multiple times, and the other closely related group the female only mate once. The results can be found in the table below.

	Number of species
Taxon pair	Multiple-mating group	Single-mating group	Difference	Above (+) or below (-) zero
A	53	10	43	+
B	73	120	-47	-
C	228	74	154	+
D	353	289	64	+
E	157	30	127	+
F	300	4	296	+
G	34	18	16	+
H	3400	3500	-100	-
I	20	1000	-980	-
J	196	486	-290	-
K	1750	660	1090	+
L	55	63	-8	-
M	37	115	-78	-
N	100	30	70	+
O	21000	600	20400	+
P	37	40	-3	-
Q	7	5	2	+
R	15	7	8	+
S	18	6	12	+
T	240	13	227	+
U	115	14	1	+
V	77	16	61	+
W	15	14	1	+
X	85	6	79	+
Y	86	8	78	+

State your null and alternative hypotheses.

Use binomial test to test the hypothesis.
[hint: x= number of (-) n= total number of taxon pairs]

Interpret the p-value and state the conclusion from your test

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