The statement is an illustration of samples, populations and sampling technique.
The text that completes the blank is random
From the statement, we understand that each representative has an equal probability of selection.
This means that, if there are 12 representatives (for instance), then each representative has a probability of 1/12 of being selected.
Such sampling technique is referred to as a random sample.
Hence, the term that describes the statement is random sample.
Read more about random samples at:
https://brainly.com/question/12719654
