Populations & Samples

Front

What is a sample in which each individual or object in the entire population has an equal chance of being selected?

Back

Random Sample

Tags

CCSS.HSS.IC.B.3

Front

What do we call a sample that surveys all 7th grade boys to determine what to sell in the school store?

Back

Biased

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

Which option would give an unbiased, representative sample for finding out pizza preferences at a high school?

Back

Asking 10 random students from each homeroom.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a part of a group being surveyed called?

Back

Sample

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What group of students should Ana survey to achieve the most accurate results about the tardy policy?

Back

Thirty randomly selected students from her school.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the term for the entire group that is the subject of a study?

Back

Population

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the difference between a sample and a population?

Back

A sample is a part of the population that is surveyed, while the population is the whole group.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a representative sample?

Back

A representative sample accurately reflects the characteristics of the population.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is the purpose of random sampling?

Back

To ensure that every individual has an equal chance of being selected, reducing bias.

Tags

CCSS.HSS.IC.B.3