西☆ * X (total number of jobs (in hundreds)) x (total number of jobs 30 35 40 45 x (total number of jobs (in hundreds) x (total number of jobs (in hundreds)) y (number of entry-level jobs (in hundreds)) y (number of entry-level jobs i y (number of entry-level jobs (in hundreds)) y(number of entry-level jobs
西☆ * X (total number of jobs (in hundreds)) x (total number of jobs 30 35 40 45 x (total number of jobs (in hundreds) x (total number of jobs (in hundreds)) y (number of entry-level jobs (in hundreds)) y (number of entry-level jobs i y (number of entry-level jobs (in hundreds)) y(number of entry-level jobs
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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Question
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 six Denver neighborhoods gave the following information (units in hundreds of jobs).
x | 17 | 30 | 52 | 28 | 50 | 25 |
---|---|---|---|---|---|---|
y | 2 | 3 | 7 | 5 | 9 | 3 |
Complete parts (a) through (e), given Σx = 202, Σy = 29, Σx2 = 7802, Σy2 = 177, Σxy = 1153, and r ≈ 0.9199.
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