Parameter vs Statistic

Front

What is a parameter?

Back

A parameter is a numerical value that summarizes a characteristic of a population.

Tags

CCSS.HSS.IC.B.3

Front

What is a statistic?

Back

A statistic is a numerical value that summarizes a characteristic of a sample.

Tags

CCSS.6.SP.A.3

Front

Example of a parameter:

Back

The percentage of all people who bought a musician's last album that thought the songs were good.

Tags

CCSS.HSS.IC.B.3

Front

Example of a statistic:

Back

In a survey of 1503 adults, 53% said they use both a landline and a cell phone.

Front

What does it mean if a statistic is derived from a sample?

Back

It means the statistic is calculated based on a subset of the population, not the entire population.

Tags

CCSS.HSS.IC.B.3

Front

Why is it important to distinguish between parameters and statistics?

Back

Understanding the difference helps in interpreting data correctly and making informed decisions.

Tags

CCSS.HSS.IC.B.3

Front

What is the population in a study?

Back

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

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

What is a sample in statistics?

Back

A sample is a subset of the population selected for analysis.

Tags

CCSS.7.SP.A.1

CCSS.HSS.IC.A.1

Front

How can a statistic be used to estimate a parameter?

Back

A statistic can provide an estimate of a parameter by using sample data to infer about the population.

Tags

CCSS.HSS.IC.B.4

Front

What is sampling error?

Back

Sampling error is the difference between the sample statistic and the actual population parameter.