In a Data Flow Diagram, an Open?ended Rectangle Is Used

question 43

Multiple Choice

In a data flow diagram, an open?ended rectangle is used to represent:

• A)A process
• B)A data stream
• C)A data source or destination
• D)A data store

---

Definitions:

Coefficient Of Determination

A statistical measure, often denoted as R², that indicates the proportion of variance in the dependent variable predictable from the independent variable(s).

Coefficient Of Determination

A statistical measure, often denoted as R^2, that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

SSE

Sum of Squared Errors, which measures the total deviation of response values from the fit values in statistical models.

SST

Sum of Squares Total, a statistical measure that represents the total variance in a dataset.