Question: b/Compute the lower control limit (LCL) for X chart. (Round to 1 decimal place) c/Compute the upper control limit (UCL) for M R chart. (Round

b/Compute the lower control limit (LCL) for X chart. (Round to

b/Compute the lower control limit (LCL) for X chart. (Round to 1 decimal place)

c/Compute the upper control limit (UCL) for M R chart. (Round to 2 decimal places)

In a gasoline-blending plant, the octane rating of their products has been measured. Observations from seven such samples are shown below: Compute the upper control limit (UCL) for X chart. (Round to 1 decimal place)

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