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What is a population in statistics?

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A population is the entire group of individuals or items that we want to study or draw conclusions about.

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What is a sample in statistics?

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A sample is a subset of the population selected for observation and analysis.

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What does it mean for a sample to be representative?

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A representative sample accurately reflects the characteristics of the population from which it is drawn.

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What is random sampling?

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Random sampling is a technique where each member of the population has an equal chance of being selected for the sample.

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What is the difference between a population and a sample?

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A population includes all members of a defined group, while a sample is a smaller group selected from that population.

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What is convenience sampling?

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

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What is stratified sampling?

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Stratified sampling involves dividing the population into subgroups (strata) and taking a sample from each stratum.

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What is the purpose of conducting a survey?

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The purpose of conducting a survey is to gather information or opinions from a group of people.

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What is bias in sampling?

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Bias in sampling occurs when certain members of the population are more likely to be selected than others, leading to unrepresentative results.

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What is a survey question?

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A survey question is a question posed to respondents to gather their opinions, behaviors, or characteristics.