1. A sample of 20 bulbs each was picked from the manufacturing facility of two bulb manufacturers...
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Question:
1. A sample of 20 bulbs each was picked from the manufacturing facility of two bulb manufacturers – Mfr 1 and Mfr 2. The table above provides the life of bulbs for the two manufacturers. You are a quality testing person and are presented with this data:
i. Which manufacturer has better performance on the life of bulbs? What are the different measures you can consider to calculate performance?
ii. How would you assess the variability in the performance of the two bulb manufacturers?
iii. Would your answer to the first question change based on your assessment of the variability in the performance of bulb manufacturers?
Related Book For
Elementary Statistics Picturing the World
ISBN: 978-0321911216
6th edition
Authors: Ron Larson, Betsy Farber
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