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What is the difference between permutation and combination?

In: Statistics, Algebra [Edit categories]

Answer:

A permutation is an arrangement of objects in some specific order. Permutations are regarded as ordered elements.

A selection in which order is not important is called a combination. Combinations are regarded as sets.

For example, if there is a group of 3 different colored balls, then any group of 2 balls selected from it will be considered as a combination, whereas the different arrangements of every combination will be considered as a permutation.

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First answer by AmazingMath. Last edit by Answerman1621. Contributor trust: 58 [recommend contributor ]. Question popularity: 17 [recommend question].

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