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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The Answer of 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

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