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Because sometimes adjacent classes have to be merged so that the frequencies are not too small. This is important if anonymity is to be preserved. It is also important for statistical testing.

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Q: Why are unequal class intervals sometimes used in Frequency distribution?
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Why are unequal intervals used in a frequency distribution?

The most important thing in creating intervals for a frequency distribution is that the intervals used must be non-overlapping and contain all of the possible observations. They are often equal intervals, but sometimes unequal ones are used. It all depends on the data.


Why are unequal class intervals sometimes used in a frequency distribution?

Usually because the frequencies at one or both ends of the distribution are very small.


Why are unequal class intervals used in frequency distribution?

To make the graph symmetrical


Why use unequal class intervals in a frequency distribution?

they may be necessary in certain situations to avoid a large number of empty ,or almost empty, classes.


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The science of economics helps countries cope with the unequal distribution and scarcity of resources.


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