You Are Going to Develop an X-Bar Chart Based on Range

question 31

Multiple Choice

You are going to develop an X-bar chart based on range statistics, and you are using a sample size of 12 for your charting purposes. Which of the following is the A₂ factor for the X-bar chart?

• A) 0.37
• B) 0.31
• C) 0.27
• D) 0.22
• E) 0.18

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