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What is random sampling?

Back

Random sampling is a technique used to select a subset of individuals from a larger population, where each individual has an equal chance of being chosen.

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CCSS.HSS.IC.B.3

Front

Why is random sampling important?

Back

Random sampling is important because it helps ensure that the sample is representative of the population, reducing bias and allowing for more accurate conclusions.

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CCSS.HSS.IC.B.3

Front

What is a representative sample?

Back

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

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the difference between random sampling and convenience sampling?

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Random sampling involves selecting individuals randomly from the population, while convenience sampling involves selecting individuals who are easiest to reach.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is systematic sampling?

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Systematic sampling is a method where you select every nth individual from a list or sequence.

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CCSS.HSS.IC.B.3

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What is stratified sampling?

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

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CCSS.HSS.IC.B.3

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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 to understand trends, preferences, or behaviors.

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What is bias in sampling?

Back

Bias in sampling occurs when certain individuals or groups are more likely to be selected than others, leading to an unrepresentative sample.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample size?

Back

Sample size refers to the number of individuals included in a sample, which can affect the reliability of the survey results.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

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What is the role of randomness in sampling?

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Randomness in sampling helps eliminate selection bias and ensures that every individual has an equal chance of being included.

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CCSS.HSS.IC.B.3