The lengths of life (in hours) of a sample of 40 20 watt compact fluorescent light bulbs
Question:
The lengths of life (in hours) of a sample of 40 20 watt compact fluorescent light bulbs produced by manufacturer A and a sample of 40 20 watt compact fluorescent light bulbs produced by manufacturer B are stored in Bulbs. Completely analyze the differences between the lengths of life of the compact fluorescent light bulbs produced by the two manufacturers. (Use a = 0.05.)
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Step by Step Answer:
From the box plot and normal probability plots both data seem to have come from rather symmetrical distributions that are quite normally distributed T...View the full answer
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Sandhya Sharma
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Related Book For 
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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