Match these terms with their descriptions.

1. a portion of a large group

random sample

2. choosing a sample so that every member has an equal chance of being chosen

estimating from a sample

3. choosing a sample from people who are under 15 years old

sample

4. using the responses of a small group to make conclusions about the large group.

biased sample

Random sample

Estimating from a sample

Sample

Biased sample

The correct matches are-

1. a portion of a large group - Sample

Sample is a part of population, considered for surveys.

2. choosing a sample so that every member has an equal chance of being chosen - Random sample

Random sample is non biased way of sampling where each member has equal chances of participating in the survey.

3. choosing a sample from people who are under 15 years old - Biased sample

Biased samples produce biased results. These are based on specific criteria and are not random.

4. using the responses of a small group to make conclusions about the large group - Estimating from a sample

Estimations are rough conclusions made from collecting responses.

Random sample 2

estimating from a sample 3

sample 4

biased sample 1