M5T2 Lesson 1

Front

What is a random sample?

Back

A sample in which every person, object, or event has an equal chance of being selected.

Front

What is a population in statistics?

Back

The entire group of individuals or instances about whom we hope to learn.

Front

What is a sample in statistics?

Back

A subset of the population selected for observation and analysis.

Front

What does unbiased sample mean?

Back

A sample that accurately represents the population.

Front

What does biased sample mean?

Back

A sample that does not accurately represent the population.

Front

What is the significance of characteristics of interest?

Back

The specific question that you are trying to answer or information you are trying to gather.

Front

What is the difference between population and sample?

Back

Population includes all members of a defined group, while a sample is a part of the population.

Front

What is a survey?

Back

A method of collecting data by asking questions to a group of people.

Front

What is sampling error?

Back

The error caused by observing a sample instead of the whole population.

Front

What is a stratified sample?

Back

A sample that is divided into subgroups and random samples are taken from each.