Physical Data Flow Diagrams

question 33

Multiple Choice

Physical data flow diagrams:

• A) include processes for adding, updating, changing and deleting records.
• B) are used to model business events, along with their input and output.
• C) enable the analyst to better understand the business.
• D) include no interface data flow in or out of processes.

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Definitions:

Correlation Coefficient

A measure of correlation that ranges in value from –1.00 to +1.00.

Meta-Analysis

A set of techniques for combining data from a number of related studies to determine the explanatory strength of a particular independent variable.

Bayesian Statistic

A statistical method that applies probability to statistical problems, focusing on the degree of belief (or subjective probability) as the basis for making statistical inferences.

Correlation Coefficient

A statistical measure that calculates the strength of the relationship between the relative movements of two variables.