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Sarah Soliz,Director of Quality Programs,is Designing and R Charts

Question 18

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Sarah Soliz,Director of Quality Programs,is designing Sarah Soliz,Director of Quality Programs,is designing and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length,and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches,and mean of the 26 ranges is 0.15 inch.The lower control limit for her chart is ____. A) 25.913 B) 4.913 C) 111.91 D) 108.10 E) 112.84 and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length,and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches,and mean of the 26 ranges is 0.15 inch.The lower control limit for her Sarah Soliz,Director of Quality Programs,is designing and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length,and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches,and mean of the 26 ranges is 0.15 inch.The lower control limit for her chart is ____. A) 25.913 B) 4.913 C) 111.91 D) 108.10 E) 112.84 chart is ____.


A) 25.913
B) 4.913
C) 111.91
D) 108.10
E) 112.84

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