The Levey-Jennings chart utilizes either a calculated or known standard deviation to establish control limits. This allows us to assess whether test results are accurate and in control, or unacceptable and out of control.

Policy – guidelines made by the organization
Processes -sequence of procedures
Procedures -detailed and step-by-step sequence

Accuracy and Precision

Accruacy- it is how close the measurement is to the correct or true or accepted value.
Precision- is how close the measurements of the same result every time. Presicion is independent of accuracy

systems analysis and design

Numerous businesses employ the process of system analysis and design to asses specific company challenges and build solutions that are more effective. This strategy can be used by businesses to restructure their operations or attain their growth goals.

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