MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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An article in Concrete Research ("Near Surface Characteristics of Concrete: Intrinsic Permeability," Vol. 41, 1989), presented data on compressive strength x and intrinsic permeability y of various concrete mixes and cures. Summary quantities are n = 14, 1₁ Σy = 572, Σ. y = 23,530, Σ.x; = 43, Σx = 157.42, and Σ. xiv = 1697.80. Assume that the two variables are related according to the simple linear regression model. Part 1 Calculate the least squares estimate of the slope. (Round your answer to 3 decimal places.) i Statistical Tables and Charts
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Transcribed Image Text:An article in Concrete Research ("Near Surface Characteristics of Concrete: Intrinsic Permeability," Vol. 41, 1989), presented data on compressive strength x and intrinsic permeability y of various concrete mixes and cures. Summary quantities are n = 14, 1₁ Σy = 572, Σ. y = 23,530, Σ.x; = 43, Σx = 157.42, and Σ. xiv = 1697.80. Assume that the two variables are related according to the simple linear regression model. Part 1 Calculate the least squares estimate of the slope. (Round your answer to 3 decimal places.) i Statistical Tables and Charts
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