population & sample game

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What is a sample in statistics?

Back

A sample is a part of a population that is selected for analysis to represent the whole population.

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What is a population in statistics?

Back

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

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What is a random sample?

Back

A random sample is a subset of a population where each member has an equal chance of being selected.

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Why is it important to have a representative sample?

Back

A representative sample accurately reflects the characteristics of the population, leading to valid conclusions.

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What is the difference between a sample and a population?

Back

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

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What does it mean to survey a sample?

Back

To survey a sample means to collect data from a selected group to make inferences about the larger population.

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What is bias in sampling?

Back

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

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What is convenience sampling?

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Convenience sampling is selecting a sample based on ease of access rather than random selection.

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What is stratified sampling?

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Stratified sampling involves dividing the population into subgroups and randomly selecting samples from each subgroup.

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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 and insights about a population's preferences, behaviors, or opinions.