Chapter 10: Sampling

Front

What is a Random Sample?

Back

A sample in which each individual or object in the entire population has an equal chance of being selected.

Front

Why do we use sampling in statistics?

Back

Because the population is often so large that surveying or measuring all is expensive or impossible.

Front

What is Systematic Sampling?

Back

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

Front

What is Convenience Sampling?

Back

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

Front

What is a representative sample?

Back

A sample that accurately reflects the characteristics of the population as a whole.

Front

What is Stratified Sampling?

Back

A sampling method that involves dividing the population into subgroups and randomly selecting from each.

Front

What is the difference between Population and Sample?

Back

Population refers to the entire group being studied, while a sample is a subset of that population.

Front

What is Bias in sampling?

Back

A systematic error that leads to an unrepresentative sample.

Front

What is Simple Random Sampling?

Back

A sampling method where every individual has an equal chance of being selected, typically using random number generators.

Front

What is the purpose of a survey?

Back

To gather information or opinions from a group of individuals.