A permutation is an ordered arrangement of a set of objects.
Median
A set
A set of 2 numbers is called an ordered pair
It is usually called a set.
An ordered set of numbers is a set of numbers in which the order does matter. In ordinary sets {A, B} is the same as {B, A}. However, the ordered set (a, b) is not the same as the ordered set (B, a).
A sequence.
ratio
I believe a ordered set of operations is called a sequence
Any subset of rational numbers can be ordered.
An ordered set. It could be an ordered set of numbers, or of events or other things.
A permutation is an ordered arrangement of a set of objects.
3,6
Median
A set
A set of 2 numbers is called an ordered pair
An index is a systematic way of referencing an ordered a set of objects.