The Basic Symbols Used in Data Flow Diagrams Are

question 52

Multiple Choice

The basic symbols used in data flow diagrams are:

• A)A circle, square, diamond, and rectangle
• B)A triangle, circle, square, and open?ended rectangle
• C)An open?ended rectangle, line and arrow, diamond, and square
• D)An open?ended rectangle, line and arrow, circle, and square

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Definitions:

Normal Model

A probability distribution that is symmetrical around its mean, showing that data near the mean are more frequent in occurrence.

Summary Statistics

Statistical values that provide an overview or summary of a set of data, including measures like mean and standard deviation.

Standard Deviation

A means of quantifying the depth of variation or spread among elements in a dataset.

Central 68%

Refers to the property in a normal distribution where approximately 68% of the data points lie within one standard deviation of the mean.