The tar contents of 8 brands of cigarettes selected at random from the latest list released by

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The tar contents of 8 brands of cigarettes selected at random from the latest list released by the federal Trade Commission is as follows: 7.3, 8.6, 10.4, 16.1, 12.2, 15.1, 14.5, and 9.3 milligrams. Calculate
(a) The mean;
(b) The variance.

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Question Posted: Feb 04, 2011 05:17 AM

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The tar contents of 8 brands of cigarettes selected at random from the latest list released by

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Probability & Statistics For Engineers & Scientists

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