Advantages
- Mode is readily comprehensible and easy to calculate. Like median, mode can be located in some cases merely by inspection.
- Mode is not at all affected by extreme values.
- Mode can be conveniently located even if the frequency distribution has class-intervals of unequal magnitude provided the modal class and the classes preceding and succeeding it are of the same magnitude. Open-end classes also do not pose any problem in the location of mote.
Disadvantages
- Mode is ill-defined. It is not always possible to find a clearly defined mode. In some cases we may come across distribution are called bi-modal. If a distribution has more than two modes, it is said to be multimodal.
- It is not based upon all the observations.
- It is not capable of further mathematical treatment.
- As compared with mean, mode is affected to a greater extent, by fluctuations of sampling.
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