1) Meaning of multiple edges a) involve two vertices b) vertex connected by one edge only c) involve one vertex 2) Meaning of loops a) each loop adds 1 to the degree b) the edge starts and ends at the different vertex c) each loop adds 2 to the degree 3) Identify the undirected graph a) b) c) d) 4) Meaning of tree a) graph with loops and multiple edges b) number of edges = number of vertices -1 c) number of edges = number of vertices +1 5) Identify which graph is a tree a) b) c) d) 6) Example of weighted graph a) tree map b) bubble map c) travelling map 7) Relation of structure of network data a) many-to-many b) one-to-many c) many-to-one 8) Identify simple graph a) b) c) d)

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