Which of the Following Is Not an Advantage of a Sample

Multiple Choice

Which of the following is not an advantage of a sample survey over a census?

A) A sample survey can be used when a census isn't possible.
B) It is much faster to collect a sample than a census.
C) A sample survey allows the researcher to devote the resources to getting the most accurate information possible.
D) Survey results have a good chance to be biased.