(Solution Library) You are creating an xbar and R chart to monitor your process. You measure 4 randomly selected items from each batch you make. Use the
Question: You are creating an xbar and R chart to monitor your process. You measure 4 randomly selected items from each batch you make. Use the following data from 25 samples to make the charts and answer the following questions:
- What are the control limits of each chart? Use the range method to estimate . Show your calculations.
- Does your process appear to be in control? If so, are you ready to go to Phase II? Justify your answer.
- You go to Phase II. Over time you collect data from new samples and add them to the chart. Add the following data to the chart established in Phase I and show the chart. Is the process still in control? If so, describe what has happened. What do you recommend?
Price: $2.99
Solution: The downloadable solution consists of 7 pages
Deliverable: Word Document 