To Select a Sample of Undergraduate Students in the United

Multiple Choice

To select a sample of undergraduate students in the United States, I first select a simple random sample of four states. From each of these states, I select a simple random sample of two colleges or universities. Finally, from each of these eight colleges or universities, I select a simple random sample of 20 undergraduates. My final sample consists of 160 undergraduates. This is an example of:

A) simple random sampling.
B) stratified random sampling.
C) multistage sampling.
D) convenience sampling.