After the Data Model Is Created, Designers Should __________

question 114

Multiple Choice

After the data model is created, designers should __________.

• A) make no changes
• B) make all changes suggested...once created, it cannot be altered
• C) have users review it
• D) follow it carefully
• E) none of the above

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Definitions:

Variance

Variance is a statistical measure that represents the dispersion or spread of a dataset by calculating the average of the squared differences from the mean, indicating how much the data points in a set differ from the mean value.

Exponential Distribution

A probability distribution that describes the time between events in a process where occurrences happen at a constant rate.

Proportion

A portion, segment, or fraction when evaluated in relation to its entirety.

Chi-squared Curve

Describes the distribution of a chi-squared statistic, used in hypothesis testing to determine how well observed data fit with expected data.