A researcher gets a list of all 500 members of Social Club Z that she wants to include in her study. She only has the funding and time to survey 50 members. She takes her list of members, randomly selects a starting point, and then selects every tenth name from the list to be included in her sample. In this example, the sampling interval is:
A) The list of all 500 members
B) 500
C) 50
D) 10
E) Cannot be determined

Question

Quizplus · Accepted Answer

The sampling interval is the number of members between each selected member in the sample. In this case, the researcher is selecting every tenth name from the list, so the sampling interval is 10.

A Researcher Gets a List of All 500 Members of Social