Thirty samples of size 3, available in the worksheet C16P4 in the OM5 Data Workbook were taken from a machining process over a 15-hour period. Construct control charts using the Excel template x-Bar & R-Chart. Verify the Excel calculations of the control limits by hand using the formulas in the chapter. Does the process appear to be in statistical control? Why or why not?
Answer to relevant QuestionsTri-State Bank is investigating the processing time for loan applications. Samples were taken for 25 random days from 4 branches. These data can be found in the worksheet C16P5 in the OM5 Data Workbook. Construct control ...1. Construct and interpret a control chart for the packing slip data. 2. Conduct a Pareto analysis of the errors. 3. What information might a separate chart for each error category provide? Conduct a more thorough analysis ...Some companies use a technique called heijunka, which is a Japanese term that refers to production smoothing in which the total volume of parts and assemblies are kept as constant as possible. Research and write a short ...Research and write a short paper on the impact of global supply chains on JIT. The calculations in PERT allow you to determine the probability that as project will be completed. Suppose you calculate that the probability a project will be completed by a target deadline is only 0.25. What steps might ...
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