An economist is studying the job market in Denver area neighborhoods. Let x represent the total number of jobs in a given neighborhood, and let y represent the number of entry-level jobs in the same neighborhood. A sample of sixDenver neighborhoods gave the following information (units in hundreds of jobs).133452285025y3n USE SALTComplete parts (a) through (e), given Ex = 202, Ey = 27, Ex² = 7938, Ey2 = 159, Exy = 1071, and r 0.7844.%3D%3D(a) Draw a scatter diagram displaying the data.508403089.3040503420x (total number of jobs (in hundreds))x (total number of jobs (in hundreds))5040302.CO20number of entry-level jobs (in hundreds))y (number of entrylevel jobs (in hundreds))202.er of entry-level jobs (in hundreds))3.y (number of entry-level jobs (in hundreds)) 422030405020304050x (total number of jobs (in hundreds))x (total number of jobs (in hundreds))5050404030302034678.9.456.789.x (total number of jobs (in hundreds))x (total number of jobs (in hundreds))(e) Find the value of the coefficient of determination . 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 rto four decimal places. Round your answers for the percentages to two decimal place.)%3Dexplained%unexplained(f) For a neighborhood with x = 41 hundred jobs, how many are predicted to be entry level jobs? (Round your answer to two decimal places.)hundred jobs2)204.3.y (number of entryy (numbs of entry-level jobs (in hundreds))2.3.2.y (number of entryy (number of entry-level jobs (in hundreds))

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Answered: studying the Job market in Denver area…

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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