=+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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Related Book For
Applied Statistics For Engineers And Scientists
ISBN: 9781133111368
3rd Edition
Authors: Jay L. Devore, Nicholas R. Farnum, Jimmy A. Doi
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