=+15. Subgroups of four power units are selected once each hour from an assembly line, and the

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=+15. Subgroups of four power units are selected once each hour from an assembly line, and the highvoltage output of each unit is measured. Suppose that the sum of the ranges of 30 such subgroups is

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Applied Statistics For Engineers And Scientists

ISBN: 9781133111368

3rd Edition

Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi

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