1. In a _________ sample, individuals who volunteer from the population are chosen for the sample. 1. simple random 2. haphazard 3. quota 4. stratified random 2. The __________ is the group of...

1. In a _________ sample, individuals who volunteer from the population are chosen for the sample.

1. simple random

2. haphazard

3. quota

4. stratified random

2. The __________ is the group of individuals a researcher wants to learn about, whereas a _____________ is the group of individuals who serve as subjects in a study.