Sampling and Bias Quick Review

Front

What is the set of ALL observations made on all objects under study for a given characteristic or variable?

Back

Population

Front

What is the source of bias in which some groups of populations are LEFT OUT of the selection process?

Back

Undercoverage

Front

What is the process of gathering information/data from EACH member of the population?

Back

Census

Front

What kind of bias is evident when asking every 4th person outside a pet store whether they own a cat?

Back

Undercoverage

Front

Identify the sampling design: SCPS wants to survey its employees. They pick 4 schools from the county and survey every single employee in each of the 4 buildings.

Back

Cluster sampling

Front

What is the term for a sample that is not representative of the population due to certain groups being excluded?

Back

Sampling bias

Front

What is the difference between a sample and a population?

Back

A sample is a subset of a population used to represent the whole.

Front

What is convenience sampling?

Back

A sampling method where participants are selected based on their easy availability.

Front

What is voluntary response sampling?

Back

A sampling method where individuals choose to participate, often leading to bias.

Front

What is response bias?

Back

A bias that occurs when respondents provide inaccurate answers due to various factors.