Find out lower bound for the traveling salesman problem (TSP). [start point A]B13C1316131414A12D14171514(1515F14E

Answered: Find out lower bound for the traveling…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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BSHM-18 PROBLEM SOLVING. The sales of a company (in million peso) for each year are shown in the table below. x (year) 2015 2016 2017 2018 2019 y (sales) 12 19 29 37 45 a) Give the regression line y = m x+ b) b) Use the simple linear regression line as a model to estimate the sales of the company in 2022. Your answer Next Never subrnit passwords through Google Forms. This form was created inside of Sultan Kudarat State U Renort Abuse
x 13 32 50 28 50 25 y 1 2 6 5 9 3 a.given Σx = 198, Σy = 26, Σx2 = 7602, Σy2 = 156, Σxy = 1042, and r ≈ 0.8553 b. Find x, and y. Then find the equation of the least-squares line ŷ = a + bx. (Round your answers to four decimal places.) x= y= ŷ= c. Find the value of the coefficient of determination r2. What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for r2 to four decimal places. Round your answers for the percentages to two decimal place.) r2= explained= % unexplained= % d. For a neighborhood with x = 35 hundred jobs, how many are predicted to be entry level jobs? (Round your answer to two decimal places.) hundred jobs
x 10 12 14 16 18 20 y 1.8 1.7 1.6 1.4 1.0 0.7 given Σx = 90, Σy = 8.2, Σx2 = 1420, Σy2 = 12.14, Σxy = 115.2, and r ≈ −0.9650 Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answer to four decimal places.) Find the value of the coefficient of determination r2. What percentage of the variation in y can be explained by the corresponding variation in x and the least-squares line? What percentage is unexplained? (Round your answer for r2 to four decimal places. Round your answers for the percentages to two decimal place.) r2 = explained % unexplained % Suppose a pharmaceutical company has 16 different research programs. What does the least-squares equation forecast for y = mean number of patents per program? patents per program
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Problem 6. For what values of h are the vectors -7 and -21 3 h linearly independent?
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E9.2 Lotka-Volterra Model. The following Lotka-Volterra equations are a Kolmogorov- type model of predator-prey relationships for interacting populations, e.g. hosts and parasites, yeasts and sugars, sharks and surfers. x₁ = P₁x₁ - P2X1X2 X₁ (0) = x10 x₂ = P3x2 + P1P4X1X2 X₂(0) = x20 (9.11) Parameters p₁ to p4 are constant death and birth rates; x₁ is the host population, x₂ is the par- asite population, and the product x₁x2 represents the "getting-together" of the two species. a) Find the equilibrium steady state solutions for these equations, [xeye]¹ = x₂ in terms of the parameters.
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tab 360 . The following table shows students' test scores on the first two tests in an introductory chemistry class. Answer esc alt Copy Data Step 1 of 2: Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary. ! 1 31304 30als 9 a F Z 2 W S → X # 3 e d First test, X Second test, y C C $ 4 ŷ= r f 58 44 71 82 92 48 42 59 92 88 66 84 63 41 56 77 77 81 47 32 59 76 76 52 62 % 5 Chemistry Test Scores V t 6.0 Oll 6 hp y b & 7 h O u n * 8 j N O i m ( . 9 k ✓ O ) 0 4 alt р < 90 Tables 31 A Keybo Submit { ctri 4 + [ ?

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Find out lower bound for the traveling salesman problem (TSP). [start point A] B 13 13 16 13 11 14 A 12 D 14 17 15 14 15 15 F 14 E