Population or Sample

Front

What is a sample in research?

Back

A sample is the part of the population being studied, selected for analysis.

Front

Define population in the context of surveys.

Back

Population is the entire group of objects or individuals considered for a survey.

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 items of interest.

Front

Identify the population in a survey of mall shoppers.

Back

The population is all shoppers in the mall.

Front

What does random sampling mean?

Back

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

Front

What is a convenience sample?

Back

A convenience sample is a non-random selection of individuals that are easily accessible.

Front

Why is it important to define the population in a study?

Back

Defining the population ensures that the study results are applicable to the group of interest.

Front

What is a sampling error?

Back

A sampling error is the difference between the sample statistic and the actual population parameter.

Front

How can bias affect a sample?

Back

Bias can lead to an unrepresentative sample, skewing results and conclusions.

Front

What is stratified sampling?

Back

Stratified sampling involves dividing the population into subgroups and randomly sampling from each subgroup.