Question: A manufacturing engineer uses four different raw materials (1, 2, 3, and 4) and three different temperatures (1, 2, and 3) to produce copper wires,
A manufacturing engineer uses four different raw materials (1, 2, 3, and 4) and three different temperatures (1, 2, and 3) to produce copper wires, used in electric cables. The engineer wishes to study the effect of material and temperature on tensile strength of the wire. She replicates the experiment twice. You may assume that the model meets all assumptions necessary to perform A
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