Drag the problem description on the left to the correct 
  targets on the right, then press the "Submit" button to check the 
  answer.
   
  
A 
  shipment of 1000 3 oz. bottles of cologne has arrived to a merchant. These bottles 
  were shipped together in 50 boxes with 20 bottles in each box. Of the 50 boxes, 
  5 boxes were randomly selected. The average content for these 100 bottles was 
  obtained. 
A 
  faculty member wishes to take a sample from the 1600 students in the school. 
  Each student has an ID number. A list of ID numbers is available. The faculty 
  member selects an ID number at random from the first 16 ID numbers in the list, 
  and then every sixteenth number on the list from then on. 
A 
  faculty member wishes to take a sample from the 1600 students in the school. 
  The faculty member decides to interview the first 100 students entering her 
  class next Monday morning. 
Convenience 
  Sampling 
Cluster 
  Sampling