An Entire Information System Is Broken Down into Its Subsystems

question 55

Multiple Choice

An entire information system is broken down into its subsystems by using

• A) high-level data flow diagrams.
• B) low-level data flow diagrams.
• C) process specifications.
• D) structured diagrams.

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Definitions:

Sample Mean Difference

The difference between the mean values of two samples, used in statistical testing to compare two groups.

T-Test

A statistical test used to determine if there is a significant difference between the means of two groups.

Independent Populations

Populations that are not connected or influenced by each other, implying that the observations in one population are not affected by those in another.

Approximately Normal

Describes a distribution that closely follows a normal distribution, with slight deviations.