16) Identify the sampling methods used in each of the following situations: Sampling Methods: Convenience, Self-Selected, Systematic, or Random a) A television station invites viewers to call in and name their favorite game show. Sampling method _____________________ b) A school principal gathers an alphabetical list of all the students at her school. Then she selects every 15th student to take a survey about the cafeteria's lunch menu. Sampling method _____________________