=+40. In the study described in Exercise 20, the wood grade is known to affect wood strength.
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=+40. In the study described in Exercise 20, the wood grade is known to affect wood strength. To incorporate this information, three wood grades were studied: SS (select structural), grade 2, and grade 3.
Wood grades are determined by visual inspection.
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Related Book For
Applied Statistics For Engineers And Scientists
ISBN: 9781133111368
3rd Edition
Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi
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