1. Fifteen randomly selected passengers on a flight are asked about the quality of the flight attendants' service. Identify the population.

A. The fifteen randomly selected passengers.

B . All the passengers that were on that flight.

C. The flight attendants that were on duty for that flight

2. Fifteen randomly selected passengers on a flight are asked about the quality of the flight attendants' service. Identify the sample.

A. All the passengers that were on that flight.

B. The flight attendants that were on duty for that flight.

C. The fifteen randomly selected passengers.

3. Consider the following situation: You want to survey a sample of registered voters about their opinions on raising taxes. Please explain how you could use a stratified sampling approach to accomplish this.