X AND R CHART EXAMPLE IN-CLASS EXERCISE

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Presentation transcript:

X AND R CHART EXAMPLE IN-CLASS EXERCISE

Example of x-bar and R charts: Step 1 Example of x-bar and R charts: Step 1. Calculate sample means, sample ranges, mean of means, and mean of ranges.

Example of x-bar and R charts: Step 2 Example of x-bar and R charts: Step 2. Determine Control Limit Formulas and Necessary Tabled Values

Example of x-bar and R charts: Steps 3&4 Example of x-bar and R charts: Steps 3&4. Calculate x-bar Chart and Plot Values

Example of x-bar and R charts: Steps 5&6: Calculate R-chart and Plot Values