Random Samples

Front

What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger population, where each individual has an equal chance of being selected.

Front

Why is it important for a sample to be unbiased?

Back

An unbiased sample accurately represents the population, allowing for valid conclusions to be drawn from the data.

Front

What does it mean for a sample to be representative?

Back

A representative sample reflects the characteristics of the entire population, ensuring that the results can be generalized.

Front

What is the population in a study?

Back

The population is the entire group of individuals or items that researchers are interested in studying.

Front

What is a sample in research?

Back

A sample is a smaller group selected from the population for the purpose of conducting a study.

Front

What is the difference between a population and a sample?

Back

A population includes all members of a specified group, while a sample is a subset of that population.

Front

What is a biased sample?

Back

A biased sample is one that does not accurately represent the population, often due to non-random selection methods.

Front

How can you ensure a sample is unbiased?

Back

To ensure a sample is unbiased, it should be selected randomly and include a diverse range of individuals from the population.

Front

What is the significance of sample size in research?

Back

A larger sample size generally leads to more accurate and reliable results, reducing the margin of error.

Front

What does it mean to survey a population?

Back

To survey a population means to collect data from a sample of individuals to make inferences about the entire group.