QUIZ - The Scale-free property - Poisson vs. Power-law Distributions

Image taken from Reddit on March 31, 2026, discussing the metro system in Russia.

If we imagine the Russian metro map as a graph and consider Random vs. Scale-free Networks, classify the statements below as True or False:

( ) The image shows nodes with a large number of connections.

( ) The mean and the mode of the number of connections between the nodes will be similar.

( ) We can observe in the image: these numerous small nodes are held together by a few highly connected hubs.

a. T, T, T

b. F, T, T

c. T, F, T

d. F, T, F

e. None of the above.

link: <https://www.reddit.com/r/MapPorn/comments/18fqe6s/map_of_largest_and_second_largest_metro_system_in/?tl=pt-br#lightbox>