SAMPLE AND POPULATION PRACTICE 2

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What is a population in statistics?

Back

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

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What is a sample in statistics?

Back

A part of the population being studied, used to make inferences about the population.

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What is random sampling?

Back

A sampling method where each member of the population has an equal chance of being selected.

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Why are larger sample sizes more representative?

Back

Larger sample sizes reduce the margin of error and provide a better approximation of the population.

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What does it mean for a question to be biased?

Back

A question is biased if it leads respondents to a particular answer, influencing the results.

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What is an unbiased question?

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A question that does not lead respondents to a particular answer and allows for a fair assessment.

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What is the difference between a population and a sample?

Back

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

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What is systematic sampling?

Back

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

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What is convenience sampling?

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A sampling method that involves selecting individuals who are easiest to reach.

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What is stratified sampling?

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A sampling method that involves dividing the population into subgroups and taking samples from each.