Lesson 4.2 - Sampling Methods and bias

Front

What is convenience sampling?

Back

A sampling method where the sample is taken from a group that is easy to reach, rather than randomly selected.

Front

What is voluntary response sampling?

Back

A sampling method where individuals can choose to participate in the survey, often leading to biased results.

Front

What is systematic sampling?

Back

A sampling method where you select every nth individual from a list or sequence.

Front

What is simple random sampling?

Back

A sampling method where every individual has an equal chance of being selected.

Front

What is bias in sampling?

Back

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

Front

What is an unbiased sample?

Back

A sample that accurately reflects the characteristics of the population.

Front

Example of convenience sampling?

Back

Surveying students in a cafeteria because they are easily accessible.

Front

Example of voluntary response sampling?

Back

A survey posted online where anyone can respond.

Front

Example of systematic sampling?

Back

Surveying every 10th person entering a store.

Front

Example of simple random sampling?

Back

Drawing names from a hat to select participants.