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Top NatWest Group Data Scientist Interview Questions and Answers

In this comprehensive guide, we solve and explain common NatWest Group Data Scientist interview questions, breaking down each concept in detail. Whether you are brushing up on graph theory, clustering differences, probability puzzles, or linear algebra transformations, this resource will help you master the material and ace your interview.

A fully connected graph, also known as a complete graph, is a simple undirected graph in which every pair of distinct vertices is connected by a unique edge.

Suppose there are \( n \) vertices in the graph. For each vertex, it can be connected to \( n - 1 \) other vertices. However, since the graph is undirected, each edge connects two vertices, and we must avoid double-counting.