\twhat is graphs what are there types detail\twhat is propability\twhat is mean median and mode

Ans 1. A graph isa common data structure that consists of a finite set of nodes (or vertices) and a set of edges connecting them. A pair (x,y) is referred to as an edge, which communicates that the x vertex connects to the y vertex.
2.Probability is simplyhow likely something is to happen.
3. Mean is the average of the given numbers.