Frequency distributions can be used to summarize both grouped and ungrouped data.

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Frequency distributions can be used to summarize data regardless of whether it is grouped or ungrouped. For ungrouped data, the frequency distribution will simply list the frequency of each unique value. For grouped data, the frequency distribution will group the data into intervals or classes and provide the frequency for each interval.

Frequency Distributions Can Be Used to Summarize Both Grouped and Ungrouped