Suppose you want to find out how much money each adult will spend ...

[ts19998]

Suppose you want to find out how much money each adult will spend on Valentine's Day this year, on average. Suppose you are a DJ of a local radio station, so you ask people to call in with their responses. What type of sample are you getting here?
 a. A self-selected sample
  b. A stratified sample
  c. A cluster sample
  d. A systematic sample

Question 2

Suppose you want to find out how much money each adult will spend on Valentine's Day this year, on average. Suppose you go to a local mall the day before Valentine's Day and ask the first 50 people you see. What type of sample are you getting here?
 a. A self-selected sample
  b. A convenience sample
  c. A cluster sample
  d. A systematic sample

[Carliemb17]

Answer to Question 1

A

Answer to Question 2

B