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Statistical Quality Control and Process Capability Analysis

Analysis of statistical quality control methods and process capability.

Amelia Ward
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Statistical Quality Control and Process Capability AnalysisChapter 06, Problem 4Correct.A production manager at Ultra Clean Dishwashing company is monitoring the quality of the company’sproduction process. There has been concern relative to the quality of the operation to accurately fill the 16ounces of dishwashing liquid. The product is designed for a fill level of 16.00 ± 0.30. The company collectedthe following sample data on the production process:Sample1234116.4016.1115.9015.78215.9716.1016.2015.81315.9116.0016.0415.92416.2016.2115.9315.95515.8716.2116.3416.43615.4315.4915.5515.92716.4316.2115.9916.00815.5015.9216.1216.02916.1316.2116.0516.011015.6816.4316.2015.97Which of the following pairs of statements is true?The process mean is in control.The process is not capable of meeting the design standard.The process mean is not in control.The process is not capable of meeting the design standard.The process mean is in control.The process is capable of meeting the design standard.The process mean is not in control.The process is capable of meeting the design standard.Chapter 06, Problem 6The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that theaverage fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodicallyselects at random a box of six containers of coffee and measures their weight. When the process is incontrol, the range of the weight of coffee samples averages 0.6 ounces. Develop anR-chart and an-chart for this process and answer the questions.The measurements of weight from the last fivesamples taken of the six containers follow:SamplexR112.10.7211.80.4312.30.6

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Statistics

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