x (in percent)x (in percent)(b) Verify the given sums Ex, Ey, Ex, Ey, Exy, and the value of the sample correlation coefficient r. (Round your value for r to four decimal places.)Σχ= 113.2Ey = 32.4Ex? = 2183.3%3D%3DEy2 = 288.3Exy = 668.3r = 0.604(c) Find x, and y. Then find the equation of the least-squares line ŷ = a + bx. (Round your answer to four decimal places.)X = 18.9y = 5.4ŷ = 1.199X + -17.221X X(d) Graph the least-squares line. Be sure to plot the point (x, y) as a point on the line.24122210184164810121618202224x (in percent)x (in percent)24121022820아CO2.toy (violent crimes (per 1000 residents))es (per 1000 residents))X x X X2.20COy (violent crimes (per 1000 residents))per 1000 residents)) Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, andRussellville) reported the following information about x and y.24.319.218.314.919.017.513.04.69.11.30.83.6n USE SALT%3DComplete parts (a) through (e), given Ex = 113.2, Ey = 32.4, Ex = 2183.28, Ey = 288.26, Exy = 668.32, and r 0.7769.%3D(a) Draw a scatter diagram displaying the data.241210221816202224101216184x (in percent)x (in percent)122410221816202224161812x (in percent)8.106.x (in percent)24y (violent crimes (per 1000 residents))2)y (violent crimes (per 1000 residents))2.2020y (violent crimes (per 1000 residents))y (violent crimes (per 1000 residents))

Answered: Image /qna-images/answer/19aa1625-502e-48e9-adeb-b7ae47e1b8da.jpg

Answered: Let x be the percentage of 16- to…

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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Blue 0.143 Freckles 0.030 eyes No Freckles 0.857 0.182 Black 0.047 Green hair eyes 0.818 0.018 0.923 Brown eyes 0.982 0.278 0.061 Blue 0.259 eyes 0.722 0.232 Brown 0.327 Green hair eyes 0.768 0.153 Brown 0.461 0.414 eyes Caucasian 0.847 child 0.319 Blue 0.562 0.453 eyes 0.681 0.315 Green 0.302 Blonde hair eyes 0.698 0.164 Brown 0.123 eyes 0.025 0.836 0.857 Blue 0.473 eyes 0.143 0.767 Green Red hair 0.405 eyes 0.233 0.778 Brown 0.122 eyes 0.222
Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y.x 23.8 19.1 17.5 14.9 19.0 17.5y 12.9 4.5 9.5 1.3 0.8 3.6 a) Verify the given sums Σx, Σy, Σx2, Σy2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to four decimal places.)Σx = Σy = Σx2 = Σy2 = Σxy = r = b) Find x, and y. Then find the equation of the least-squares line y hat = a + bx. (Round your answer to four decimal places.)x = y = y hat = _____+ ____x
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