Excerpt from Method of Least Squares Applied to Estimating Errors in Coal Analysis The authors have attacked the problem by first carefully working out the limits for a few coals that are selected as typical and then comparing the results so obtained with data compiled from numerous check determinations taken consecutively from the laboratory records. The number of check determinations was Usually The experimental work was all done by the same analyst; hence the effect of the personal equation was eliminated from the ...
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Excerpt from Method of Least Squares Applied to Estimating Errors in Coal Analysis The authors have attacked the problem by first carefully working out the limits for a few coals that are selected as typical and then comparing the results so obtained with data compiled from numerous check determinations taken consecutively from the laboratory records. The number of check determinations was Usually The experimental work was all done by the same analyst; hence the effect of the personal equation was eliminated from the results. On the other hand the data taken from the records include the work of several analysts, so that the personal equation was here involved. Further, the experimental work for a given result took only a day or two, whereas the data represented in the compilation from the records represented at least a month's analyses, so that variations chargeable to changing conditions in the laboratory probably were involved in the recorded results used. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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