Bias and Sampling

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What is Simple Random Sampling?

Back

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

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What is a Sample?

Back

A small portion of the population used to gather data from.

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What is a Census?

Back

The process of gathering information/data from EACH member of the population.

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Why do we randomly select our samples?

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To reduce bias in the results.

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What is Bias in sampling?

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A systematic error that leads to an incorrect representation of the population.

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What is Population in statistics?

Back

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

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What is Convenience Sampling?

Back

A non-random sampling method where samples are taken from a group that is easily accessible.

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What is Systematic Random Sampling?

Back

A sampling method where members of the population are selected at regular intervals.

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What is Volunteer Response Sampling?

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A sampling method where individuals volunteer to participate, often leading to bias.

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What is the difference between a Sample and a Population?

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