The file Bulbs contains the life (in hours) of a sample of 40 100-watt light bulbs produced
Question:
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Manufacturer A: 650 but less than 750, 750 but less than 850, and so on.
Manufacturer B: 750 but less than 850, 850 but less than 950, and so on.
a. Construct percentage histograms on separate graphs and plot the percentage polygons on one graph.
b. Plot cumulative percentage polygons on one graph.
c. Which manufacturer has bulbs with a longer life- Manufacturer A or Manufacturer B? Explain.
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a b c Manufacturer B produces bulbs with longerlives than Manufacturer A The cumulative percentage ...View the full answer
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Kirti Kaushal
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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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