If You Are Going to Develop an X-Bar Chart Based

question 134

Multiple Choice

If 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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