A paper described a study that examined whether stress accelerates aging at a cellular level. The accompanying data on a measure of perceived stress (x) and telomere length (y) were read from a scatterplot that appeared in the paper. Telomere length is a measure of cell longevity.PerceivedstressTelomerelengthPerceivedstressTelomerelength50.93201.1960.94200.9560.96200.9170.92210.95101.14211.2111.03211.08120.92221.11131.06221.23140.99220.89140.9231.27151.16240.94151.07241.08151.09251.2170.95260.98170.93271.16171.11271.25181.01281181.07291.22191.15330.9 (a) Compute the equation of the least-squares line. (Round your answer to four decimal places.)y = (b) What is the value of r2? (Round your answer to four decimal places.)r2 =

Regression Equation: When we want to predict the value of one variable, say y, from the given value…

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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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A paper described a study that examined whether stress accelerates aging at a cellular level. The accompanying data on a measure of perceived stress (x) and telomere length (y) were read from a scatterplot that appeared in the paper. Telomere length is a measure of cell longevity.

Perceived stress	Telomere length	Perceived stress	Telomere length
5	0.93	20	1.19
6	0.94	20	0.95
6	0.96	20	0.91
7	0.92	21	0.95
10	1.14	21	1.2
11	1.03	21	1.08
12	0.92	22	1.11
13	1.06	22	1.23
14	0.99	22	0.89
14	0.9	23	1.27
15	1.16	24	0.94
15	1.07	24	1.08
15	1.09	25	1.2
17	0.95	26	0.98
17	0.93	27	1.16
17	1.11	27	1.25
18	1.01	28	1
18	1.07	29	1.22
19	1.15	33	0.9