In the shown network above, what is the average path length and what does average path length mean?

Group of answer choices

$2\mathrm{.}508$ and the average number of edges for each node in the network

$2\mathrm{.}508$ and the average number of edges for a node to connect to any other node in the network

$2\mathrm{.}508$ and the average length of each edge in the network

$4$ and the average number of edges in the network