Question: 15.41 A 22 factorial experiment is analyzed by the Laboratory for Interdisciplinary Statistical Analysis at Virginia Tech. The client is a member of the Department

15.41 A 22 factorial experiment is analyzed by the Laboratory for Interdisciplinary Statistical Analysis at Virginia Tech. The client is a member of the Department of Apparel, Housing, and Resource Management.

The client is interested in comparing cold start to preheating ovens in terms of total energy delivered to the product. In addition, convection is being compared to regular mode. Four experimental runs are made at each of the four factor combinations. Following are the data from the experiment:
Preheat Cold Convection Mode 618 629 619.3 611 575 574 573.7 572 Regular Mode 581 581 585.7 595 558 562 562 566 Do an analysis of variance to study main effects and interaction. Draw conclusions.

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