16.2 #4Do lizards play a role in spreading plant seeds? Some research carried out in South Africa would suggest so. Researchers on a study collected 400 seeds of a particular type of fig, 100 of which were from each treatment: lizard dung, bird dung, rock hyrax dung, and uneaten figs. They planted these seeds in batches of 5, and for each group of 5 they recorded how many of the seeds germinated. This resulted in 20 observations for each treatment. The treatment means and standard deviations are given in the accompanying table.TreatmentnxsUneaten figs202.500.29Lizard dung202.300.33Bird dung201.700.34Hyrax dung201.450.29 Source ofvariationDegrees offreedomSum ofsquaresMeansquaresF RatioF ProbBetween Groups314.63754.879249.69900Within Group767.4613.098175 Total7922.0988 Is there evidence that seeds eaten and then excreted by lizards germinate at a higher rate than those eaten and then excreted by birds? Give statistical evidence to support your answer. Use ?lizard − ?bird. Round your answers to three decimal places.) There is evidence that seeds eaten and then excreted by lizards germinate at a higher rate than those eaten and then excreted by birds. The 95% T-K confidence interval is (_____,_____) which does not contain zero. This indicates a significant dthose ifference between the germination rate between two populations.

Name: 16.2 #4Do lizards play a role in spreading plant seeds? Some research
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Description: 16.2 #4Do lizards play a role in spreading plant seeds? Some research carried out in South Africa would suggest so. Researchers on a study collected 400 seeds of a particular type of fig, 100 of which were from each treatment: lizard dung, bird dung,

xlizard=2.30xbird =1.70MSE=7.4613Number of groups(K) = 4Each group size(n) =20Df of Error =…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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16.2 #4

Do lizards play a role in spreading plant seeds? Some research carried out in South Africa would suggest so. Researchers on a study collected 400 seeds of a particular type of fig, 100 of which were from each treatment: lizard dung, bird dung, rock hyrax dung, and uneaten figs. They planted these seeds in batches of 5, and for each group of 5 they recorded how many of the seeds germinated. This resulted in 20 observations for each treatment. The treatment means and standard deviations are given in the accompanying table.

Treatment	n	x	s
Uneaten figs	20	2.50	0.29
Lizard dung	20	2.30	0.33
Bird dung	20	1.70	0.34
Hyrax dung	20	1.45	0.29

Source of variation	Degrees of freedom	Sum of squares	Mean squares	F Ratio	F Prob
Between Groups	3	14.6375	4.8792	49.6990	0
Within Group	76	7.4613	.098175
Total	79	22.0988

Is there evidence that seeds eaten and then excreted by lizards germinate at a higher rate than those eaten and then excreted by birds? Give statistical evidence to support your answer. Use

?_lizard − ?_bird. Round your answers to three decimal places.)

There is evidence that seeds eaten and then excreted by lizards germinate at a higher rate than those eaten and then excreted by birds. The 95% T-K confidence interval is (_____,_____) which does not contain zero. This indicates a significant dthose ifference between the germination rate between two populations.

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