Consider the following measurements of the heat producing capacity of the coal produced by two mines (in

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Consider the following measurements of the heat producing capacity of the coal produced by two mines (in millions of calories per ton): 

Mine 1:            8260    8130    8350    8070    8340

Mine 2:            7950    7890    7900    8140    7920    7840

Can it be concluded that the two population variances are equal?

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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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