Question: solve Current Attempt in Progress Samples of size n = 6 are collected from a process every hour. After 20 samples have been collected, we

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Current Attempt in Progress Samples of size n = 6 are collected from a process every hour. After 20 samples have been collected, we calculate x = 22.0 and r/d2 = 1.2. Round your answers to 3 decimal places (e.g. 98.765). (a) Find trial control limits for X and R charts. (b) If s/ c4 = 1.2, determine trial control limits for X and S charts. (a) (b) X Chart R Chart X Chart S Chart UCL i i CL i LCL i Statistical Tables and Charts

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