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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 Telomere Perceived Telomere stress length stress length 5 0.97 20 1.49 6 0.99 20 1.01 6 1.03 20 0.93 7 0.95 21 1.01 10 1.39 21 1.51 11 1.17 21 1.27 12 0.95 22 1.33 13 1.23 22 1.57 14 1.09 22 0.89 14 0.91 23 1.65 15 1.43 24 0.99 15 1.25 24 1.27 15 1.29 25 1.51 17 1.01 26 1.07 17 0.97 27 1.43 17 1.3 3 27 1.61 18 1.13 28 1.11 18 1.25 29 1.55 19 1.41 33 0.91 USE SALT (a) Compute the equation of the least-squares line. (Round your answer to four decimal places.) V = 2.69 (b) What is the value of /2? (Round your answer to four decimal places.) 12 =