Statistical Data Sets

Front

What is a sample in statistics?

Back

A subgroup chosen from a population.

Front

How can a sample be represented in a real-world scenario?

Back

For example, 1 out of every 35 customers in a restaurant.

Front

What is a population in statistics?

Back

All the people or objects on which data is collected.

Front

Can you give an example of a population in a study?

Back

All of the website visitors on a gaming site.

Front

When should you survey a sample instead of a population?

Back

When it is impractical to survey the entire population.

Front

What is the difference between a sample and a population?

Back

A sample is a subset of a population.

Front

Why is it important to define a population in a study?

Back

To ensure that the data collected is relevant and representative.

Front

What is sampling bias?

Back

A bias that occurs when the sample is not representative of the population.

Front

What is a random sample?

Back

A sample in which every member of the population has an equal chance of being selected.

Front

What is a stratified sample?

Back

A sample that is divided into subgroups and random samples are taken from each subgroup.