Which of the Following Is Not a Characteristic of a Data

question 13

Multiple Choice

Which of the following is not a characteristic of a data warehouse?

• A) contains historical data
• B) designed for decision support
• C) stores data in normalized tables
• D) promotes data redundancy

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Definitions:

Chi-Squared Table Value

A value derived from the chi-squared distribution used in statistical tests to determine the significance of observed data.

Test Statistic

A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.

Expected Frequency

The anticipated number of times an event is predicted to happen within a specific time period, based on probability models.

Null Hypothesis

A statement in statistical hypothesis testing that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.