Lesson 4.1 Sampling and Surveys GOOD

Front

What is a population in the context of sampling?

Back

A population refers to the entire group of individuals or instances about whom we hope to learn.

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample?

Back

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

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is convenience sampling?

Back

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

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is random sampling?

Back

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

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CCSS.HSS.IC.B.3

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What is biased sampling?

Back

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

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CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

Why is random selection important in sampling?

Back

Random selection is important because it helps to reduce bias and ensures that the sample is representative of the population.

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CCSS.HSS.IC.B.3

Front

What is a survey?

Back

A survey is a method of collecting data by asking questions to a group of people.

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CCSS.6.SP.B.5B

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical values and measurements.

Front

What is a sampling frame?

Back

A sampling frame is a list or database from which a sample is drawn.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is stratified sampling?

Back

Stratified sampling is a method where the population is divided into subgroups (strata) and samples are taken from each stratum.

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CCSS.HSS.IC.B.3