Unit 1 Flashcard 1 Practice flashcard

Front

What is a biased survey?

Back

A biased survey is one that does not accurately represent the population being studied, often due to the method of selection.

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What is an unbiased survey?

Back

An unbiased survey is one that accurately represents the population, where every individual has an equal chance of being selected.

Front

What is a population in statistics?

Back

A population is a large group that includes everything being studied.

Front

What is convenience sampling?

Back

Convenience sampling is a method where the sample is taken from a group that is easily accessible.

Front

What is voluntary response sampling?

Back

Voluntary response sampling is when individuals choose to participate in a survey, often leading to bias.

Front

What is systematic random sampling?

Back

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

Front

What is simple random sampling?

Back

Simple random sampling is a method where every individual has an equal chance of being selected, typically using random methods.

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What is stratified sampling?

Back

Stratified sampling is a method where the population is divided into subgroups, and samples are taken from each subgroup.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population.