The following are the rates of diffusion of carbon dioxide through two soils of different porosity. Fine Soil: 20, 31, 18, 23, 23, 28, 23, 26, 27, 26, 12, 17, 25 Course Soil: 19, 30, 32, 28, 15, 26, 35, 18, 25, 27, 35, 35. Estimate the difference, in the two rates, as a 95% confidence interval, a) by assuming equal variability, b) by assuming unequal variability.
The following are the rates of diffusion of carbon dioxide through two soils of different porosity. Fine Soil: 20, 31, 18, 23, 23, 28, 23, 26, 27, 26, 12, 17, 25 Course Soil: 19, 30, 32, 28, 15, 26, 35, 18, 25, 27, 35, 35. Estimate the difference, in the two rates, as a 95% confidence interval, a) by assuming equal variability, b) by assuming unequal variability.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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The following are the rates of diffusion of carbon dioxide through two soils of different porosity.
Fine Soil: 20, 31, 18, 23, 23, 28, 23, 26, 27, 26, 12, 17, 25
Course Soil: 19, 30, 32, 28, 15, 26, 35, 18, 25, 27, 35, 35.
Estimate the difference, in the two rates, as a 95% confidence interval, a) by assuming equal variability, b) by assuming unequal variability.
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