18 A simple random sample of size n is one in which (select the best response)

a) Every nth member is selected from the population

b) Each possible sample of size n has the same chance of being selected.

c) There is exactly the same proportion of women in the sample as is in the population.

d) One keeps sampling until obtaining a fixed number of people having various charac- tenstics (e.g., males, females, or whites, blacks).

TABLE 2.2 Poll Clinton Predicted Vote Bush Perty Gallup 44 36 14 Hams 44 38 17 ABC 44 37 16 CBS 44 35 15 NBC 44 36 15 Washington Post 43 35 16 Actual vote 43 38 19 Source The New York Times. November 3. 1992

e) A particula minonty group member of the population is less likely to be chosen than a particular majority group member.

f) All of the above 2) None of the above