This is a preview. Log in through your library . Abstract Many interesting sociological questions pertain to how the association between two variables depends on a third variable. In sociological ...
The graphical and Standard Methods for the determination of biochemical oxygen demand (BOD) were compared. Average means ± standard deviation of 228 ± 28 mg/L and 199 ± 25 mg/L for the Standard ...
MR. WOLFE offers us a detailed study of the graphical methods as used in statical problems, with applications to the investigation of various types of structures. He first sets out the ordinary theory ...
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