Population vs. Sample

Front

What is the definition of a population in statistics?

Back

A population is the entire group of individuals or instances about whom we hope to learn.

Front

What is the definition of a sample in statistics?

Back

A sample is a subset of the population that is used to represent the entire group.

Front

How do you identify a population from a given scenario?

Back

The population can be identified as the complete set of individuals or items that the research is focused on.

Front

How do you identify a sample from a given scenario?

Back

The sample is identified as the specific group selected from the population for the purpose of the study.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample includes only a portion of that group.

Front

Why is it important to distinguish between population and sample?

Back

Distinguishing between population and sample is crucial for understanding the scope of research and for making valid inferences.

Front

What is an example of a population in a school setting?

Back

All students enrolled at a particular school.

Front

What is an example of a sample in a school setting?

Back

A group of 50 students selected from the entire student body for a survey.

Front

What does it mean if a sample is representative of a population?

Back

A representative sample accurately reflects the characteristics of the population from which it is drawn.

Front

What is sampling bias?

Back

Sampling bias occurs when the sample is not representative of the population, leading to skewed results.