Which of the following best describes the reason why researchers select samples from populations of interest? 1. Researchers make observations with samples to learn about, or generalize to,...

Which of the following best describes the reason why researchers select samples from populations of interest?

1. Researchers make observations with samples to learn about, or generalize to, populations.

2. Researchers select samples to avoid having to describe the characteristics of an entire population.

3. Researchers make observations in populations to learn about the samples they will select.