Chat with our AI personalities
If the set of data are represented by a letter, then the mean is represented by that letter with a bar across its top.
The term is null set, also known as the "empty set", and it contains no elements (numbers), represented by {} or ∅.
There is only one null set. It is 'the' null set. It is a set which does not contain any numbers. It is represented by the symbol ∅.
The set of integers is represented by Z.
The set of rational numbers is represented by Q.