Sampling Methods

Front

What is the purpose of randomly selecting samples in research?

Back

To reduce bias.

Front

Is the sample of customers interviewed by Elise likely to be biased?

Back

Yes.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample is a subset of the population.

Front

What type of sampling method is used when interviewing the first 30 students who enter the school?

Back

Convenience sampling.

Front

What is systematic random sampling?

Back

A sampling method where every nth individual is selected from a list or queue.

Front

Define convenience sampling.

Back

A non-probability sampling method where samples are taken from a group that is easy to reach.

Front

What is a population in statistical terms?

Back

The entire group of individuals or instances about whom we hope to learn.

Front

What is a sample in statistical terms?

Back

A subset of the population used to represent the whole.

Front

What is the main disadvantage of convenience sampling?

Back

It can lead to biased results because it does not represent the population accurately.

Front

What is stratified random sampling?

Back

A sampling method that involves dividing the population into subgroups and taking a random sample from each.