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.

the answer is 62.8 cubic units

i dont know

step-by-step explanation:

umm. i dont know