The lengths of life (in hours) of a sample of 40 6-watt light emitting diode (LED) light
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The lengths of life (in hours) of a sample of 40 6-watt light emitting diode (LED) light bulbs produced by manufacturer A and a sample of 40 6-watt light emitting diode (LED) light bulbs produced by manufacturer B are stored in Bulbs . Completely analyze the differences between the lengths of life of the light emitting diode (LED) light bulbs produced by the two manufacturers. (Use α = 0.05.)
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Basic Business Statistics Concepts And Applications
ISBN: 9780134684840
14th Edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat, David F. Stephan
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