If You Are Going to Develop an R-Chart Based on Range

question 67

Multiple Choice

If you are going to develop an R-chart based on range statistics and you are using a sample size of 15 for your charting purposes, which of the following is the upper control limit D4 factor for the chart?

• A) 1.65
• B) 1.70
• C) 1.76
• D) 1.87
• E) 1.92

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