All of the Following Are Guidelines for Preparing Data Flow

question 75

Multiple Choice

All of the following are guidelines for preparing data flow diagrams except

• A)show the most detail in the highest-level DFD.
• B)include all storage files,even if they are only temporary.
• C)uniquely name all data flows.
• D)sequentially number process bubbles.

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Definitions:

Confidence Interval

A range of values, derived from the sample statistics, that is likely to contain the value of an unknown population parameter with a certain degree of confidence.

Margin Of Error

An indication of the confidence in the results of a survey or experiment, showing how much the answers may deviate from the true value.

Sample Standard Deviations

A measure of the dispersion or variability of a set of data points around the mean, indicating how spread out the data points are.

Equal Sample Sizes

A statistical condition where all groups or treatments in a study have the same number of observations, aimed at reducing variability and bias.