Question: and 3 decimal places for smaller numbers less than 1. monitor the average and variability of the pH of the process. Is the average and

and 3 decimal places for smaller numbers less

and 3 decimal places for smaller numbers less than 1. monitor the average and variability of the pH of the process. Is the average and variability of the process in control? Recorded pHs: Calculate the center line to control the average of pH of the process: Calculate the average of ranges to control the variability of pH of the process: Number of observation in each sample (n): D4: Upper Control Limit to control average of the pH of the process: Lower Control Limit to control average of the pH of the process: Is the average of the pH of the process in control? (Yes/No Upper Control Limit to control variability of the pH of the process: Lower Control Limit to control variability of the pH of the process: Is the variability of the pH of the process in control? (Yes/No)

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