The lengths of life (in hours) of a sample of 40 100-watt light bulbs produced by Manufacturer
Question:
a. Using a 0.05 level of significance, is there evidence of a difference in the median life of bulbs produced by the two manufacturers?
b. What assumptions must you make in (a)?
c. Compare the results of (a) with those of Problem 10.64 on page 378. Discuss.
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a H 0 M 1 M 2 H 1 M 1 M 2 PHStat output Decision rule If Z STAT 196 ...View the full answer
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Related Book For 
Statistics For Managers Using Microsoft Excel
ISBN: 772
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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