Chapter 10: Sampling

Front

What is sampling?

Back

Sampling is the process of selecting a subset of individuals from a larger population to estimate characteristics of the whole population.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is a simple random sample?

Back

A simple random sample is a sampling method where every individual has an equal chance of being selected.

Tags

CCSS.HSS.IC.B.3

Front

What is a stratified sample?

Back

A stratified sample is a sampling method where the population is divided into subgroups (strata) and random samples are taken from each strata.

Tags

CCSS.HSS.IC.B.3

Front

What is a systematic sample?

Back

A systematic sample is a sampling method where individuals are selected at regular intervals from a randomly ordered list.

Tags

CCSS.HSS.IC.B.3

Front

What is a convenience sample?

Back

A convenience sample is a sampling method where individuals are selected based on their easy availability and proximity.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is voluntary response sampling?

Back

Voluntary response sampling is a sampling method where individuals choose to participate in the survey, often leading to biased results.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

Why is sampling used in research?

Back

Sampling is used because surveying an entire population can be expensive, time-consuming, or impractical.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What is the importance of a representative sample?

Back

A representative sample accurately reflects the characteristics of the population, ensuring valid and reliable results.

Tags

CCSS.HSS.IC.A.1

CCSS.7.SP.A.1

Front

What can skew the results of a survey?

Back

Factors such as location, selection bias, and non-random sampling methods can skew survey results.

Tags

CCSS.HSS.IC.B.3

Front

What is the difference between random sampling and non-random sampling?

Back

Random sampling gives every individual an equal chance of being selected, while non-random sampling does not.

Tags

CCSS.HSS.IC.B.3