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An experimenter is interested in studying the effects of two factors - cutting speed (SPEED), and tool angle (ANGLE) - on the surface finish of
An experimenter is interested in studying the effects of two factors - cutting speed (SPEED), and tool angle (ANGLE) - on the surface finish of a metallic part. Three levels of each factor are chosen (shown below).
Cutting Speed 300 500 700
Tool Angle 30 45 60
(a) Design a complete factorial experiment for the experimenter.
(b) Now, suppose two machines (A and B) are used to complete the experiment. How would you change the experiments in (a) to avoid Block Effect?
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