Statistical Design of Experiments
Statistical Design of Experiments
Statistical Design of Experiments
Statistical Design of Experiments
Materials
Materials
1
1
2
2
1
11
2
2
3
3
4.1
4.14.1
3.9
3.9
4.3
4.34.3
3.1
3.1
2.9
2.9
3.3
3.33.3
3.5
3.53.5
3.2
3.2
3.6
3.6
2.7
2.72.7
3.1
3.13.1
2.6
2.6
1.9
1.91.9
2.2
2.22.2
2.3
2.3
2.7
2.72.7
2.3
2.32.3
2.5
2.5
Materials
Materials
1
1
2
2
11
2
2
3
3
4.14.1
3.9
3.9
4.34.3
3.1
3.1
2.9
2.9
3.33.3
3.53.5
3.2
3.2
3.6
3.6
2.72.7
3.13.1
2.6
2.6
1.91.9
2.22.2
2.3
2.3
2.72.7
2.32.3
2.5
2.5
Mean of Lab 1 = 3.533
Mean of Lab 1 = 3.533
Materials
Materials
1
1
2
2
11
2
2
3
3
4.14.1
3.9
3.9
4.34.3
3.1
3.1
2.9
2.9
3.33.3
3.53.5
3.2
3.2
3.6
3.6
2.72.7
3.13.1
2.6
2.6
1.91.9
2.22.2
2.3
2.3
2.72.7
2.32.3
2.5
2.5
Mean of Lab 2 = 2.478
Mean of Lab 2 = 2.478
Calculate the marginal mean
Calculate the marginal mean
retardant for materials
retardant for materials
Materials
Materials
1
1
2
2
11
2
2
3
3
4.14.1
3.9
3.9
4.34.3
3.1
3.1
2.9
2.9
3.33.3
3.53.5
3.2
3.2
3.6
3.6
2.72.7
3.13.1
2.6
2.6
1.91.9
2.22.2
2.3
2.3
2.72.7
2.32.3
2.5
2.5
Mean of material 1 = 3.45
Mean of material 1 = 3.45
Main Effects Plot
Main Effects Plot
Calculate the marginal mean
Calculate the marginal mean
retardant for labs
retardant for labs
Materials
Materials
1
1
2
2
11
2
2
3
3
4.14.1
3.9
3.9
4.34.3
3.1
3.1
2.9
2.9
3.33.3
3.53.5
3.2
3.2
3.6
3.6
2.72.7
3.13.1
2.6
2.6
1.91.9
2.22.2
2.3
2.3
2.72.7
2.32.3
2.5
2.5
Mean of material 2 = 2.60
Mean of material 2 = 2.60
Mean of material 3 = 2.97
Mean of material 3 = 2.97
Materials
Materials
1
1
2
2
1
2
2
3
3
4.1
3.9
3.9
4.3
3.1
3.1
2.9
2.9
3.3
3.5
3.2
3.2
3.6
3.6
2.7
3.1
2.6
2.6
1.9
2.2
2.3
2.3
2.7
2.3
2.5
2.5
Plot the means against
Plot the means against
the factor levels
the factor levels
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