Do larger butterflies live longer? The wingspan (in millimeters) and the lifespan in the adult state (in

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Do larger butterflies live longer? The wingspan (in millimeters) and the lifespan in the adult state (in days) were measured for 22 species of butterfly. Following are the results. image text in transcribed

a. Compute the least-squares regression line for predicting lifespan (y) from wingspan (x).

b. Construct a 99% confidence interval for the slope.

c. Test H0: β1 = 0 versus H1: β1

Can you conclude that wingspan is useful in predicting lifespan? Use the α = 0.05 level of significance.

d. Do larger butterflies tend to live for a longer or shorter time than smaller butterflies? Explain.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 11, 2024 09:01 PM

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Do larger butterflies live longer? The wingspan (in millimeters) and the lifespan in the adult state (in

Question:

Wingspan Lifespan Wingspan Lifespan 35.5 19.8 25.9 32.5 30.6 17.3 31.3 27.5 30.0 27.5 23.0 31.0 32.3 22.4 26.3 37.4 23.9 40.7 23.7 22.6 27.7 18.3 27.1 23.1 28.8 25.9 28.1 18.5 35.9 23.1 25.9 32.3 25.4 24.0 28.8 29.1 24.6 38.8 31.4 37.0 28.1 36.5 28.5 33.7

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Elementary Statistics

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