An Expanded Version of a Star Schema in Which All

question 144

Multiple Choice

An expanded version of a star schema in which all of the tables are fully normalized is called a(n) :

• A) snowflake schema.
• B) operational schema.
• C) DSS schema.
• D) complete schema.

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Definitions:

Test Statistics

Test statistics are calculated from sample data and used in hypothesis testing to determine whether to reject the null hypothesis.

Chi-Squared Value

The result of a calculation that measures how expectations compare to actual observed data, crucial in chi-squared tests for independence or goodness-of-fit.

Chi-Squared Test Statistic

A measure used in statistics that compares observed results with expected outcomes to test the hypothesis about the independence of two criteria.

Multinomial Experiment

An experiment that can lead to outcomes categorized into more than two categories, each with a specific probability.