The tools used in statistical quality control are beneficial for examining service or product quality. The tools include acceptance sampling, statistical process control and descriptive statistics. Acceptance sampling requires the inspection of a batch of products. Statistical process control refers to inspection of random selections made from the completed batch whilst descriptive statistics is used to explain traits of quality.
Statistical quality control offers a way to assess problems and get to the cause of the problem in order to ensure high quality products or services and customer satisfaction.
It is necessary for organizations to pay attention to quality control. Quality control can be performed in a variety of ways, such as through continual improvement, effective management, employee involvement and response to customers. The aim of quality control is to monitor and evaluate products and services in order to minimize errors. Using statistical quality control allows for errors to be detected during inspection instead of during further stages like distribution.
It helps create more consistent quality in products as well as increases customer satisfaction. Statistical quality control lowers costs of inspection, number of defects and material costs. It is easier for an organization to pinpoint areas in the production line that are ineffective or troubled.
Several tools are used for statistical process control. They include control charts, Pareto charts, check sheets, scatter diagrams, cause and effect diagrams, histograms and defect concentration diagrams.
Statistical quality control is used in a variety of industries such as textile, logistics, automotive, engineering, manufacturing and construction. It can be difficult to note the errors in these products since they are produced in large volumes. That is why it is vital for mass-producing manufacturers to ensure high quality products by undergoing quality control.
Manufacturers with the best reputations tend to take initiative if products have problems further down the line from purchasing. These companies give warranties because they are adamant that their products are high quality, which is largely done by having adequate quality control. Since it can be difficult to monitor each stage of the process, using quality control is one of the best and most cost effective ways to ensure quality products or services.
Shruti Bhat PHD MBA Certified Lean Six Sigma Black Belt is an Enterprise Strategist and Business Process Improvement Mastermind.
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