Front

What is a sample in statistics?

Back

A sample is a part of a group being surveyed, selected from a larger population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a population in statistics?

Back

A population is the entire group of individuals or objects that a study is concerned with.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a random sample?

Back

A random sample is a sample in which each individual or object in the entire population has an equal chance of being selected.

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CCSS.HSS.IC.B.3

Front

What does bias mean in the context of surveys?

Back

Bias refers to a systematic error that leads to an incorrect representation of the population.

Tags

CCSS.HSS.IC.B.3

Front

Why is it important to have a representative sample?

Back

A representative sample accurately reflects the characteristics of the population, allowing for valid inferences.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

How can you determine if a study is biased?

Back

A study is biased if the sample is not representative of the population, such as only surveying people leaving a specific restaurant.

Front

What is the difference between a sample and a population?

Back

A sample is a subset of the population, while the population includes all individuals or objects of interest.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is an example of a biased sample?

Back

Asking only students in a specific classroom about their favorite subject, ignoring others.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is an example of an unbiased sample?

Back

Randomly selecting students from different grades and classes to determine their favorite subject.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of using samples in research?

Back

Samples are used to make inferences about the population without surveying every individual.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1