The production manager wants to evaluate four new types of drill bits for consideration as the plant

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The production manager wants to evaluate four new types of drill bits for consideration as the plant standard. There are three machines that could use the drill bits, each with a different operator and each run on two shifts. Historically, there has been variability of drill bit performance among machines and operators.

What type of design is appropriate for this study? Describe the experimental pattern, the blocking, the replication, and the randomization for the study.

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Quality Improvement Through Planned Experimentation 3/E

ISBN: 978-0071759663

3rd Edition

Authors: Ronald Moen ,Thomas W Nolan ,Lloyd P Provost

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