What organization, created in 1995, provides rules for international commerce?

What is the median for the following set of scores? 1, 3, 3, 5, 8, 10

a. 3 b. 4 c. 5 d. 6

The Sierra Club is an example of

a. an umbrella organization. b. a Republican party affiliate. c. a single issue group. d. a public interest group.