A paper described a study that examined whether stress accelerates aging at a ce

Question

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.

(b) What is the value of r2?
r2 =

Perceived
stress Telomere
length Perceived
stress Telomere
length 5 0.97 20 1.75 6 1 20 1.03 6 1.06 20 0.91 7 0.94 21 1.03 10 1.6 21 1.78 11 1.27 21 1.42 12 0.94 22 1.51 13 1.36 22 1.87 14 1.15 22 0.85 14 0.88 23 1.99 15 1.66 24 1 15 1.39 24 1.42 15 1.45 25 1.78 17 1.03 26 1.12 17 0.97 27 1.66 17 1.51 27 1.93 18 1.21 28 1.18 18 1.39 29 1.84 19 1.63 33 0.88

Explanation / Answer

a) y^ = 1.015044335 + 0.016744766*x

b) r^2 =   

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SUMMARY OUTPUT Regression Statistics Multiple R 0.327643926 R Square 0.107350542 Adjusted R Square 0.082554724 Standard Error 0.332734163 Observations 38 ANOVA df SS MS F Significance F Regression 1 0.479314521 0.479314521 4.329381 0.044635367 Residual 36 3.985632848 0.110712024 Total 37 4.464947368 Coefficients Standard Error t Stat P-value Lower 95% Intercept 1.015044335 0.158562264 6.401550467 2.03E-07 0.693465159 stress 0.016744766 0.008047596 2.08071644 0.044635 0.000423484

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