Samples and Populations

Front

What is a population in statistics?

Back

The group of people, objects, or events being surveyed.

Front

What is a sample in statistics?

Back

A part of the population that is surveyed to gather information.

Front

What is the best method to gather information about student lunch preferences?

Back

Survey every 5th student that enters the school.

Front

What is the purpose of a survey?

Back

To collect data and opinions from a group of people.

Front

How many people were surveyed in the restaurant example?

Back

20 customers.

Front

What conclusion did the restaurant draw from the survey?

Back

Most customers do not order dessert.

Front

What is the difference between a sample and a population?

Back

A sample is a subset of the population used for analysis, while the population includes all members of the group.

Front

Why is it important to survey a random sample?

Back

To ensure that the results are representative of the entire population.

Front

What does it mean to survey every 5th student?

Back

It means to select every 5th student entering the school to participate in the survey.

Front

What is a biased sample?

Back

A sample that does not accurately represent the population, leading to skewed results.