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A frequency distribution in which the data is only nominal or ordinal. Ungrouped Frequency Distribution. A frequency distribution of numerical data. The raw data is not grouped. Grouped Frequency Distribution. A frequency distribution where several numbers are grouped into one class.
The dictionary meaning of clump is âsit togetherâ. And the meaning of âclumped distributionâ carries no special meaning. To the best of my understanding a clumped distribution is when things stay together. A uniform distribution is when a random variable is uniformly distributed in its entire range. A clumped distribution is when it occurs in clusters. A good example of clumped distribution will be the distribution of human population centers on the map of a country. Human population is clustered around big cities. In fact, most distributions should be clumped. If I were to plot the heights of adult humans, it may be clumped around two main centers (average heights of men and women). Even wild flowers in a meadow are clumped around where ever they happen to be. An image search for âclumped distributionâ shows you tens of examples.