A Unique Identifier Also Is Called a Record Key

question 19

True/False

A unique identifier also is called a record key.

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Definitions:

Correlation Coefficient

A numerical indicator that determines the magnitude of the correlation between the relative fluctuations of two variables.

Regression Analysis

An approach in statistics for modeling how a dependent variable is related to one or more independent variables.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations to the independent variable.

Residual

The difference between observed and predicted values in a regression analysis.