Handwrite pleasee&f please e. Write the Lotka-Volterra competition equations for these two salamanders in each mountain range.f. Plot a graph of the isoclines for the competitive interaction between these salamanders in eachmountain range. Indicate the direction of population growth for both species in each section of the graphs andindicate the outcome of competition. Hairston (1980) studied competition between two salamanders (Plethodon jordani & P. glutinosus) inthe eastern US. These two species exhibit different degrees of altitudinal overlap in different mountain ranges.Hairston performed a series of removal experiments in 24 m diameter plots in each mountain range. Based uponthe results of many years of study, Hairston estimated the carrying capacities of each species (per plot) in eachmountain range. His data are shown below.Mountain RangeSpeciesP. jordaniP. glutinosusSmokies4512Balsams4711

Given that, Hairston performed a series of removal experiments in 24 m diameter plots in each…

Answered: e. Write the Lotka-Volterra competition…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2. A city's transportation committee has conducted research on traffic and car accidents for downtown streets. There is a 9% chance of being involved in a car accident when 15 or more cars are driving on Johnson Street and a 7.5% chance when 20 or more cars are driving on Dublin Street. The two streets intersect to form a risk area with a radius of 0.1 mi. Approximate the density of cars per square mile in the risk area when 17 cars are on Johnson Street and 21 cars are on Dublin Street. Use 3.14 for TT. There are approximately 1,082 cars per square mile in the risk area. There are approximately 2,674 cars per square mile in the risk area. There are approximately 2,165 cars per square mile in the risk area. There are approximately 1,210 cars per square mile in the risk area.
A study was conducted in the tidal flat at Polka Point, North Stradbroke Island to examine the distribution of the animals that live with the seagrass Sargassum at different distances from the shoreline. Samples of Sargassum were taken at 5, 10, 15 m from the shore and these were examined for amphipods and isopods. The observations are recorded below. Is the distribution of each of the organisms with regards to the shore the same at all three distances? Use the data below to test the hypothesis at the p < 0.05 level. Clearly state the hypotheses and interpret the results. (Note: Find chi-square for each individual column (amphipods and isopods, not the two together) Distance Amphipods Isopods 5 2 7 10 31 14 15 45 22
In a study, the effects of the mane of a male lion as a signal of quality to mates and rivals was explored. Four life-sized dummies of male lions provided a tool for testing female response to the unfamiliar lions whose manes varied by length (long or short) and color (blonde or dark). The female lions were observed to see whether they approached each of the four life-sized dummies. Complete parts (a) through (e) below. a. Identify the experimental units. Choose the correct answer below. The female lions The male dummies The mane colors The mane lengths Part 2 b. Identify the response variable. Choose the correct answer below. A. Whether or not (yes or no) the mane length affected how the female lions reacted to a male dummy. B. Whether or not (yes or no) the female lions approached the same dummies. C. Whether or not (yes or no) the female lions approached a male dummy. D. Whether or not…
A study was carried out to compare the writing lifetimes of four premium brands of pens. It was thought that the writing surface might affect life- time, so three different surfaces were randomly se- tected. A writing machine was used to ensure that conditions were otherwise homogeneous (e.g., con- stant pressure and a fixed angle). The accompany- ing table shows the two lifetimes (min) obtained for each brand-surface combination. In addition, EEEr = 11,499,492 and EExj, = 22,982,552, Writing Surface 1 2 3 1 709, 659 713, 726 660, 643 Brand 2 668, 685 722, 740 692, 720 of Pen 3 659, 685 666, 684 678, 750 4 698, 650 704, 666 686, 733 4112 4227 4122 4137 5413 5621 5564 16,598 Carry out an appropriate ANOVA, and state your conclusions.
Three different corrosion-resistant coatings are being considered for use on iron pipes. Ten pieces of pipe are marked off in six equal segments. For each pipe, two segments received coating A, two received coating B, and the remaining two received coating C. The pipes were placed in a corrosive environment for a period of time; then the depth of the deepest pit (in mm) caused by corrosion was measured for each segment on each pipe. The effect of interest is the coating; the pipe is a blocking factor, and there were two replications on each pipe. The following sums of squares were calculated: sum of squares for blocks = 11.2, sum of squares for treatments = 4.8, sum of squares for interactions = 18.4, total sum of squares = 44.7. a) Construct an ANOVA table. You may give ranges for the P-values. b) Are the assumptions for a randomized complete block design satisfied? Explain. c) Does the ANOVA table provide evidence that mean pit depth differs among coatings? Explain.
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She recorded three trials of each brand and determined their maximum downhill speeds. The results are presented in kilometres per hour in the table below. Trial Barth Tornado Reiser 43 41 46 45 43 42 1 2 3 37 38 39 Shaw 43 45 46 Referring to the information above, the within group variation or SSW is Answer to 2 d.p.
Q1 An engineering student wants to study the impact of temperature and humidity on yield. The following data was recorded by the student. S.N Temperature Humidity Yield 1 40 57 112 2 45 54 118 3 50 54 128 4 55 60 121 60 66 126 65 59 136 7 70 61 144 8 75 58 142 80 59 149 10 85 56 165
One operation of a mill is to cut pieces of steel into parts that will later be used as the frame for front seats in an automobile. The steel is cut with a diamond saw and requires the resulting parts to be within 10.005 inch of the length specified by the automobile company. Data are collected from a sample of 50 steel parts and are shown in the following table. The measurement reported is the difference in inches between the actual length of the steel part, as measured by a laser measurement device, and the specified length of the steel part. For example, the first value, -0.003, represents a steel part that is 0.003 inch shorter than the specified length. Complete parts a through c Click the icon to view the data table. a. Construct a frequency distribution Difference in Length -0.005 but less than -0.003: -0.003but less than -0.001 -0.001but less than 0.001 0.001but less than 0.003 0.003but less than 0.005 Frequency Difference Between Actual and Specified Lengths 0.002 0 -0.003…
For these data: No caffeine 200 Mg caffeine 400mg caffeine overall No Alcohol M=620 M=600 M=590 M=603 Alcohol M=720 M=700 M=690 M=703 overall M=670 M=650 M=640 A) Is there a main effect for alcohol? B)Is there an interaction? C)Does caffeine improve response time (produce faster times) for people who have consumed alcohol? D)Does caffeine eliminate the effect of alcohol on response time?
In relation to an evaluation of a natural park you have collected data on the visitors, and obtaineddata for the travel costs and their zones of origin, i.e. basic data needed when applying the TravelCost Method.All visitors come by car and there’s only one person in each car. There are four different zones (Iclose, and IV most far away) and the total cost per person is given in the table below. Give a short explanation of the TCM. Would it be possible to do a reasonable TCM analysis from these data? Zone Travel cost per person($) Total population ineach zone Annual number ofvisitors from eachzone I 10 4000 400 II 15 3000 250 III 20 3500 410 IV 25 4000 450
The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) The two instruments considered were a Wright peak flow meter and a mini-Wright peak flow meter. Seventeen people participated in the study, and for each person air flow was measured once using the Wright meter and once using the mini-Wright meter. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table.…
The authors of a paper compared two different instruments for measuring a person's capacity for breathing out air. (This measurement is helpful in diagnosing various lung disorders.) The two instruments considered were a Wright peak flow meter and a mini-Wright peak flow meter. Seventeen people participated in the study, and for each person air flow was measured once using the Wright meter and once using the mini-Wright meter. The Wright meter is thought to provide a better measure of air flow, but the mini-Wright meter is easier to transport and to use. Use of the mini-Wright meter could be recommended as long as there is not convincing evidence that the mean reading for the mini-Wright meter is different from the mean reading for Wright meter. For purposes of this exercise, you can assume that it is reasonable to consider the 17 people who participated in this study as representative of the population of interest. Data values from this paper are given in the accompanying table.…

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