An electrical engineer has developed a modified circuit board for elevators. Suppose 3 modified circuit boards and
Question:
An electrical engineer has developed a modified circuit board for elevators. Suppose 3 modified circuit boards and 6 elevators are available for a comparative test of the old versus the modified circuit boards.
(a) Describe how you would select the 3 elevators in which to install the modified circuit boards. The old circuit boards will be installed in the other 3 elevators.
(b) Alternatively, describe how you would conduct a paired comparison and then randomize within the pair.
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Step by Step Answer:
To conduct an effective study comparing modified circuit boards with the old ones in a scenario with 6 elevators and 3 modified circuit boards lets address each approach a Random Assignment to Groups ...View the full answer
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Related Book For 
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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