Question: Question 2 (2 points) The data for an average-and-range control chart for subgroups of n = 7 show a grand average of 24.6 and an

Question 2 (2 points) The data for an
Question 2 (2 points) The data for an average-and-range control chart for subgroups of n = 7 show a grand average of 24.6 and an average range of 3.6. What is the lower control limit for the Range chart? 0.274 23.09 1.87 0

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