Populations and Sampling

Front

What is a population in statistics?

Back

The entire group of objects or individuals considered for a survey.

Front

What is a sample in statistics?

Back

A subset of the population selected for the survey.

Front

What is the best method to achieve unbiased results in a survey?

Back

Randomly selecting individuals from the population.

Front

What is a biased sample?

Back

A sample that does not accurately represent the population.

Front

What is an unbiased sample?

Back

A sample that accurately represents the population.

Front

What is the purpose of sampling?

Back

To gather information about a population without surveying every individual.

Front

What is systematic sampling?

Back

A method where every nth individual is selected from a list.

Front

What is convenience sampling?

Back

A method where individuals are selected based on ease of access.

Front

What is stratified sampling?

Back

A method where the population is divided into subgroups and random samples are taken from each.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics, while quantitative data involves numerical measurements.