Nine samples of illicit heroin preparations were analyzed in duplicate by a gas chromatographic method. The samples
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Nine samples of illicit heroin preparations were analyzed in duplicate by a gas chromatographic method. The samples can be assumed to have been drawn randomly from the same population. Pool the following data to establish an estimate of σ for the procedure.
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Sample Heroin, % Sample Heroin, % 2.24, 2.27 8.4, 8.7 7.6, 7.5 11.9, 12.6 4.3, 4.2 1.07, 1.02 14.4, 14.8 1 2 3 21.9, 21.1 4 8.8, 8.4 5 6789
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Related Book For
Fundamentals Of Analytical Chemistry
ISBN: 9780357450390
10th Edition
Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch
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