Examlex
An entity-relationship diagram represents entities as ________ and the relationships between them as lines and ________.
Service Level Policy
A set of guidelines or standards that determine the quality and performance level of customer service operations.
Standard Deviation
A measure of the dispersion or variance in a set of values, indicating how much the values deviate from the mean.
Service Level
A measure of the quality of a service provided, often defined by the percentage of customer demands met.
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