Types of Correlation (3.2B Review)

Front

What is correlation?

Back

Correlation is a statistical measure that describes the extent to which two variables change together.

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CCSS.HSS.ID.C.9

Front

What are the types of correlation?

Back

There are three types of correlation: positive correlation, negative correlation, and no correlation.

Tags

CCSS.HSS.ID.C.9

Front

Define positive correlation.

Back

Positive correlation means that as one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

Define negative correlation.

Back

Negative correlation means that as one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean?

Back

No correlation means that there is no relationship between the changes in two variables.

Tags

CCSS.HSS.ID.B.5

Front

Example of positive correlation:

Back

As the amount of coffee you drink increases, the number of hours you stay awake also increases.

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CCSS.HSF-LE.A.1B

Front

Example of negative correlation:

Back

As the temperature outside increases, the number of people wearing coats outside decreases.

Tags

CCSS.HSS.ID.B.5

Front

What happens to the dependent variable in a positive correlation?

Back

In a positive correlation, as the independent variable increases, the dependent variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

What happens to the dependent variable in a negative correlation?

Back

In a negative correlation, as the independent variable increases, the dependent variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a positive correlation on a graph?

Back

A positive correlation is identified by an upward slope from left to right on a graph.

Tags

CCSS.HSS.ID.B.5