TributaryIçáJutaíJapuráCoariPurusManacapuruNegroMadeiraTrombetasTapajósXinguTocantinsUpstreamnumberof species10. Circulatory Phy....pdf4°CMostly cloudy141185105232919162510Downstreamnumber ofspeciesa. What is the mean difference in the number ofspecies between areas upstream and down-stream of a tributary? What is the 95% confi-dence interval of this mean difference?b. Test the hypothesis that the tributarieshave no effect on the number of species ofelectric fish.19188716624301620211211. Circulatory Phy....pdfA

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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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Approximate the measures of center for following GFDT. Data Frequency 30 - 34 2 35 - 39 0 40 - 44 14 45 - 49 20 50 - 54 13 Report mode and median accurate to one decimal place. Report the mean accurate to two decimal places (or enter as a fraction). (a) mode = (b) median = (c) mean =
Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the frequency distribution below. Lengths (mm) Frequency 180 - 184 1 185 - 189 16 190 - 194 71 195 - 199 108 200 - 204 83 205 - 209 18 210 - 214 3 What is the lower class boundary for the first class?class boundary =
The data in the table characterizes the income distribution for a country. Income category Share of income (%) Cumulative share of income (%) first quintile 7.0 --- second quintile 9.0 16.0 third quintile --- 37.0 fourth quintile 25.0 --- fifth quintile 38.038.0 --- What percentage of the total population is categorized as belonging to the second quintile? Give your responses as whole numbers. Percentage of population in second quintile:__________% What percentage of the total income for the country is earned by the third quintile? Percentage earned by the third quintile:__________% What is the cumulative share of income earned by the poorest 80% of the population? Percentage earned by the poorest 80%:__________%
The data given below represent the percentage of energy derived from coal from the 50 states plus the District of Columbia. Construct both grouped frequency and grouped relative frequency distribution with class width 10.0 and starting lower class limit 0.0. 0, 0, 0, 0.9, 1.3, 2.7, 8.0, 8.4, 8.5, 10.3, 13.3, 15.6, 16.6, 23.2, 23.3, 27.4, 32.4, 34.6, 36.8, 38.3, 40.6, 42.4, 46.1, 48.5, 50.8, 51.1, 54.2, 55.7, 56.6, 57.7, 59.5, 60.2, 60.4, 60.8, 62.1, 62.3, 63.1, 64.3, 68.1, 75.0, 77.6, 83.1, 83.2, 87.7, 90.4, 90.4, 93.7, 94.2, 94.6, 95.8, 98.1
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400 350 0383 300 250 -271.8 200 150 173.7 X1369106383 100 133.1 85 50 -45.2 Annual rainfalls for Metropolis are given in the following table ("Annual maximums of," 2013). The box plot above provides one visual depiction of the data distribution. Use it or construct a frequency table and/or frequency histogram (use 8 classes) to analyze the distribution of this data. Then, select which of the following statements about distribution of this data is most correct: Table: Annual Rainfall in Metropolis 146.8 383 90.9 178.1 267.5 95.5 156.5 180 90.9 139.7 200.2 171.7 187.2 184.9 70.1 58 84.1 55.6 133.1 271.8 135.9 71.9 99.4 110.6 47.5 97.8 122.7 58.4 154.4 173.7 118.8 88 84.6 171.5 254.3 185.9 137.2 138.9 96.2 85 45.2 74.7 264.9 113.8 133.4 68.1 156.4 Question 5 options: A) Data appears NOT to be distributed normally (unimodal but mean appears to be less than median); one outlier exists (383); skew to left is discernable and supports relationship of mean to median B) Data appears to be…
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I need help calculating the population size (n), sum, mean, median, mode, range, std. deviation and coef. of variation.
Approximate the measures of center for following GFDT. Frequency Data 40 - 44 45 - 49 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 mode = median = mean = 10 24 15 9 5 3 4 0 1 Report mode and median accurate to one decimal place. Report the mean accurate to two decimal places (or enter as a fraction).
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Data was collected for 300 fish from the North Atlantic. The length of the fish (in mm) is summarized in the GFDT below. Lengths (mm) Frequency 40 - 54 1 55 - 69 16 70 - 84 71 85 - 99 108 100 - 114 83 115 - 129 18 130 - 144 3 What is the class boundary between the sixth and seventh classes?class boundary =

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