{ "item_title" : "Process Variability Control Procedures", "item_author" : [" Mrs Shobha V. Rajmanya "], "item_description" : "Globalization and technological advances have created very competitive environment in industries. As such, producers are keen to produce very high standard products and good efforts are put in to make further improvement in the quality. Statistical process control (SPC) is commonly used as a tool in improving product quality through the achievement of process stability and capability. Generally there are two types of variations in the process assignable cause variations and special cause variation. An important objective of SPC is to detect quickly the occurrence of assignable causes of process variation, so that the process can be investigated and any required corrective action can be taken before many nonconforming units are manufactured.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/0/35/901/544/0359015441_b.jpg", "price_data" : { "retail_price" : "10.88", "online_price" : "10.88", "our_price" : "10.88", "club_price" : "10.88", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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