Question

An experimenter is interested in examining the bond strength of a new adhesive product prepared under three different temperature settings (280° F, 300° F, and 320° F) and four different pressure settings (100, 150, 200, and 250 psi). The experimenter will prepare a sufficient amount of the adhesive so that each temperature– pressure setting combination is tested on three samples of the adhesive. Suppose that the experimenter can test only 12 samples per day and that the condi­tions in the laboratory are somewhat variable from day to day. Describe an experimental design that takes into account the day- to- day variation in the laboratory. Include a diagram that displays the assignment of the temperature– pressure setting combinations to adhesive samples.


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  • CreatedNovember 21, 2015
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