Population and Samples

Front

What is a sample in a survey?

Back

A sample is a subset of individuals or objects selected from a larger group (population) for the purpose of conducting a survey.

Front

What is a population in a survey?

Back

A population is the entire group of individuals or objects that is the subject of a survey.

Front

What is the difference between a sample and a population?

Back

A sample is a smaller group selected from the population, while the population includes all individuals or objects of interest.

Front

What is a random sample?

Back

A random sample is a subset of a population where each member has an equal chance of being selected.

Front

Why is it important to have a representative sample?

Back

A representative sample accurately reflects the characteristics of the population, leading to more valid and reliable survey results.

Front

What is a convenience sample?

Back

A convenience sample is a type of non-random sampling where participants are selected based on their easy availability.

Front

What is sampling bias?

Back

Sampling bias occurs when certain members of a population are systematically excluded from the sample, leading to unrepresentative results.

Front

How can you identify the population in a survey question?

Back

The population can be identified by looking for the group that the survey aims to understand or make conclusions about.

Front

What is the role of surveys in research?

Back

Surveys are used to collect data and opinions from a sample to make inferences about the larger population.

Front

What is an example of a population?

Back

All students in a school.