Which Broad Area of Data Mining Applications Partitions a Collection

question 10

Multiple Choice

Which broad area of data mining applications partitions a collection of objects into natural groupings with similar features?

• A) associations
• B) visualization
• C) classification
• D) clustering

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Definitions:

Null Hypothesis

A hypothesis that assumes no effect, no difference, or no relationship between variables until evidence indicates otherwise.

Photograph Cover

The front image or picture on a magazine, book, or album designed to represent its contents or appeal to consumers.

Chi-square Statistic

A statistic that measures the difference between observed frequencies in a sample and the frequencies that would be expected by chance.

Null Hypothesis

A statement that there is no effect or no difference, and it is the statement being tested in statistical hypothesis testing.