Figures & data
Figure 1: A Two Dimensional View of the Three Component Mixture Experimental Region. All mixtures must lie on or inside the triangle whose equation is S+W+G=1
Figure 2: Bubble Experiment Cause-and-Effect Diagram.
Figure 3: Constrained Experimental Region G ≤ 0.15, S ≤ 0.35, 0.5 ≤ W ≤ 0.98
Left panel shows constrained region relative to complete simplex. Right panel shows the constrained region in close-up.
Figure 4: Proposed Mixture Design Showing the 12 Mixture Proportions.
Figure 5: Plot of Number of Bubbles in Each Repeat by Run Solid Line Showing the Average Count at Each Run.
Figure 6: Total Bubble Count (across the five repeats) Versus Mixture Combination Left plot: Solid circle = Spring, Open circle = Tap for Water noise factor. Right plot: Solid circle = Joy, Open circle = Ivory for Soap noise factor.
Figure 7: Deviance Residuals From Reduced Quadratic Model Versus Run Order and Fitted Values.
Figure 8: Contour Plots Showing the Predicted Number of Bubbles Per Repeat
Left panel: Ivory soap, Right panel: Joy soap Asterisk in plot gives the maximum prediction.
