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Sarah Soliz, Director of Quality Programs, Is Designing and R

Question 20

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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 centimetres, and mean of the 26 ranges is 0.15 centimetres.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 centimetres, and mean of the 26 ranges is 0.15 centimetres.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 centimetres, and mean of the 26 ranges is 0.15 centimetres.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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