Examlex
Which one of the following is made up of national psychological associations, as well as test commissions, and test publishers?
68-95-99.7 Rule
A statistical rule stating that in a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, 95% within two, and 99.7% within three.
Variation
Changes or deviations from a standard, plan, or original estimate that require adjustments to a project or process.
Quality Assurance
A systematic approach to ensuring that a product or service meets specified requirements and is of a consistent, high quality.
Quality Plan
A document that specifies quality standards, practices, resources, specifications, and the sequence of activities relevant to a particular product, service, project, or contract.
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