A ________ Is the Origin And/or Destination of the Data,and

question 19

Multiple Choice

A ________ is the origin and/or destination of the data,and these are sometimes referred to as external entities because they are outside the system.

• A)Data graph
• B)Data flow
• C)Process
• D)Source

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Definitions:

E(XY)

The anticipated outcome of multiplying two stochastic variables together, showing how their variances are interconnected.

COV(X,Y)

A measure of the degree to which two variables X and Y move together, indicating the strength and direction of their linear relationship.

Marginal Probability

The probability of an occurrence of a single event without consideration of any other events.

Coefficient of Correlation

A quantitative gauge assessing the force and trajectory of a linear linkage between a pair of elements.