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

question 45

Multiple Choice

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 R chart is ____.

• A) 0.150
• B) 0.000
• C) 0.317
• D) 2.114
• E) 1.000

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Definitions:

Seasonal Manufacturing

The production of goods in specific seasons of the year to meet seasonal demand.

Average Number

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