What is necessary in order to draw the most accurate conclusions about a population while only studying part of it?

Question

Quizplus · Accepted Answer

A representative sample is necessary to draw the most accurate conclusions about a population while only studying part of it. A representative sample is a sample that accurately represents the characteristics of the population as a whole. It is not necessary for the sample to be a certain percentage of the population or for the participants to volunteer for the study. A sample that is at least half of the population would be impractical and unnecessary.

What Is Necessary in Order to Draw the Most Accurate