Question: Three different heat-treatment methods are being tested against four different zinc-coating techniques, with data representing the number of pounds required for a test probe to

Three different heat-treatment methods are being tested against four different zinc-coating techniques, with data representing the number of pounds required for a test probe to penetrate the layer of zinc coating. Metal samples have been randomly assigned to the factor levels, with two replications in each cell. For the data shown here, use the 0.01 level of significance in drawing conclusions from this experiment. Deter mine the 95% confidence interval for the population mean for each factor level. (Use data file XR12100.)

Zinc-Coating Technique 4 1 663 736 736747 736 778 690697 710 3 774 671 756 774 813 695 Heat Treatment 2 726 759 740 675 Method 759 650 745 690 774

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There are two factors A heat treatment method and B zinccoating technique We will apply twoway analysis of variance with two observations per cell Minitab and Excel printouts are shown below Twoway AN... View full answer

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