Hey Developer’s, I’m back with a new topic which is an introduction to sets in the series of statistics foundations.

### Quick Referesher

**Statistics: A branch of mathematics dealing with the collection, analysis, interpretation, presentation and organisation of data.**

So, let’s get started …

### Introducing Set’s

Let’s start with the set theory, so what basically is set theory:

**Set Theory : A branch of mathematics that deals with sets**.

Then, what is** Sets: It is a well defined collection of distinct objects.**

Example, A = {0,1,2,3,4,5,6,7,8,9} is a set of digits or B = {a,b,c,….,z} is a set of letters or a C = {‘apple’,’mango’,’banana’} is a set of collection of foods with distinct objects.

If you are familiar with Python then you have used **set()** function to make the list of values unique basically discarding the repeating characters.

Sets are illustrated with the help of venn diagrams and we will be using this diagrams throughout the blog and thanks to the course developer of pluralsight for this diagrams.

From this diagram you were getting the overview of what is set and what are the elements of the set represented.

#### Next Post will be on Set Membership and Set Operations

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