Plywood manufacturing data

A product engineer wants to optimize the cutting of strips of wood, which are used to make plywood. To cut the wood strips, the log is held in place by chucks which are inserted at each end. The log is then spun while a saw blade cuts off a thin layer of wood. The engineer measures the torque that can be applied to the chucks before they spin out of the log, under different conditions of log diameter, log temperature, and chuck penetration.

You can use this data to demonstrate Main Effects Plot and Interaction Plot.

Worksheet column Description Variable type
Diameter The log diameter: 4.5 or 7.5 Factor
Distance The chuck penetration: 1.00, 1.50, 2.25, or 3.25 Factor
Temperature The log temperature: 60, 120, 150 Factor
Torque The torque that can applied before the chuck spins out Response
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