Question
Question 4. Consider the ratio control algorithm experiment described in Section 3.8 of your textbook. The experiment was actually conducted as a randomized block
Question 4. Consider the ratio control algorithm experiment described in Section 3.8 of your textbook. The experiment was actually conducted as a randomized block design, where six time periods were selected as the blocks, and all four ratio control algorithms were tested in each time period. The average cell voltage and the standard deviation of voltage (shown in parentheses) for each cell are as follows: Ratio Control Algorithms Time Period 1 2 3 4 5 6 1 4.93 (0.05) 4.86 (0.04) 4.75 (0.05) 4.95 (0.06) 4.79 (0.03) 4.88 (0.05) 2 4.85 (0.04) 4.91 (0.02) 4.79 (0.03) 4.85 (0.05) 4.75 (0.03) 4.85 (0.02) 3 4.83 (0.09) 4.88 (0.13) 4.90 (0.11) 4.75 (0.15) 4.82 (0.08) 4.90 (0.12) 4 4.89 (0.03) 4.77 (0.04) 4.94 (0.05) 4.86 (0.05) 4.79 (0.03) 4.76 (0.02) (a) Analyze the average cell voltage data. (Use = 0.05.) Does the choice of ratio control algorithm affect the cell voltage? Justify (b) Conduct any residual analyses that seem appropriate. (c) Which ratio control algorithm would you select if your objective is to reduce the average cell voltage?
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