Transaction Files

question 67

Multiple Choice

Transaction files:

• A) are used when interface data flow exist on data flow diagrams.
• B) may be used to link processes that execute at different times.
• C) are included to store all derived elements.
• D) are required to implement all on-line processes.

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Definitions:

Sample Size

The quantity of data points or observations gathered during an experiment or research study.

Confidence Interval

An interval of values, sourced from statistical sampling, that is likely to maintain the value of a covert population parameter.

Population Variance

The variance calculated from the entire population of data points, providing a measure of how much the data points in the population differ from the mean.

Alternative Hypothesis

The hypothesis that proposes a difference or relationship exists among groups or variables, opposite to the null hypothesis.