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

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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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 full answer

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