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.PerceivedstressTelomerelengthPerceivedstressTelomerelength51.06202.161.1201.1461.18200.9871.02211.14101.9212.14111.46211.66121.02221.78131.58222.26141.3220.9140.94232.42151.98241.1151.62241.66151.7252.14171.14261.26171.06271.98171.78272.34181.38281.34181.62292.22191.94330.94 (a) Compute the equation of the least-squares line. (Round your answer to four decimal places.) = (b) What is the value of r2? (Round your answer to four decimal places.)

a) Step-by-step procedure to find the regression line using Excel: In Excel sheet, enter x and y in…

Answered: A paper described a study that examined…

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	1.06	20	2.1
6	1.1	20	1.14
6	1.18	20	0.98
7	1.02	21	1.14
10	1.9	21	2.14
11	1.46	21	1.66
12	1.02	22	1.78
13	1.58	22	2.26
14	1.3	22	0.9
14	0.94	23	2.42
15	1.98	24	1.1
15	1.62	24	1.66
15	1.7	25	2.14
17	1.14	26	1.26
17	1.06	27	1.98
17	1.78	27	2.34
18	1.38	28	1.34
18	1.62	29	2.22
19	1.94	33	0.94