A study was performed to investigate the shear strength of soil (y) as it related to depth

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A study was performed to investigate the shear strength of soil (y) as it related to depth in feet (x1) and moisture content (x2). Ten observations were collected, and the following summary quantities obtained: n = 10,

(a) Set up the least squares normal equations for the model Y = B0 + B1x1 + B2x2 +.
(b) Estimate the parameters in the model in part (a).
(c) What is the predicted strength when x1 = 18 feet and x2 = 43%?

Σx1223,. %3D Σ553, Σν -.,916, Σή-5.200.9 , Σ =31,729, ΣΥη 12,352 , Σχn 43,550.8 , Σχρ 104,736.8, and Σν
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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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