Answer:
A. True
Explanation:
Random sampling is an easy and accurate method of research that involves randomly picking a representative sample from a large group of sample to avoid bias and unwanted effect in a research study. When random sampling is done, each subset from a larger group stands a equal chance of representation. This is an accurate means of drawing conclusions about a population.
The answer is therefore True since the survey collected data from a random sample from each of Iowa's four current congressional districts.
