Which of the Following Is the Best Example of an EPSEM

Multiple Choice

Which of the following is the best example of an EPSEM sample?

A) assigning the students of mid-size introductory biology class random numbers, arranging the numbers in order, then selecting every fifth student
B) identifying every house located on a street corner within Ottawa's city limits and selecting all homes on the south-eastern quadrant of the street corners
C) selecting the three largest cities from a Canadian province and inviting each resident to join a research project
D) standing on the street corner and asking every other passerby to participate in a survey study