Verify that the variance of the sample 4, 9, 3, 6, 4, and 7 is 5.1, and
Question:
(a) The variance of the sample 12, 27, 9, 18, 12, and 21;
(b) The variance of the sample 9, 14, 8, 11, 9, and 12.
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Related Book For 
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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