One of the Attributes an Entity Type Should Always Have

question 74

True/False

One of the attributes an entity type should always have is a primary key.

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Definitions:

Numerator Degrees

Likely a misphrase, possibly referring to the degrees of freedom in the numerator of a statistical test.

Independent Variables

Variables in a statistical model that are manipulated or chosen by the researcher to determine their effect on the dependent variable.

Unit Price

The cost per single unit of measure, allowing for comparison of costs among different sizes or quantities of the item.

SSR

Stands for sum of squares due to regression, indicating the variation explained by the independent variables in a regression model.