Positive, Negative & No -Correlations

Front

What is a positive correlation?

Back

A positive correlation is a relationship between two variables where, as one variable increases, the other variable also increases.

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CCSS.HSS.ID.B.5

Front

What is a negative correlation?

Back

A negative correlation is a relationship between two variables where, as one variable increases, the other variable decreases.

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CCSS.HSS.ID.B.5

Front

What does no correlation mean?

Back

No correlation means there is no relationship between the two variables; changes in one variable do not affect the other.

Tags

CCSS.HSS.ID.B.5

Front

In a scatter plot, what does a downward slope indicate?

Back

A downward slope indicates a negative correlation between the x and y values.

Tags

CCSS.HSS.ID.B.5

Front

In a scatter plot, what does an upward slope indicate?

Back

An upward slope indicates a positive correlation between the x and y values.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a positive correlation in a scatter plot?

Back

You can identify a positive correlation if the points trend upwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

How can you identify a negative correlation in a scatter plot?

Back

You can identify a negative correlation if the points trend downwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

What is a trend line in a scatter plot?

Back

A trend line is a straight line that best represents the data points in a scatter plot, showing the general direction of the data.

Front

What does it mean if a scatter plot has no clear trend?

Back

It means there is no correlation between the variables; the data points are scattered randomly.

Tags

CCSS.HSS.ID.B.5

Front

If x increases and y decreases, what type of correlation is present?

Back

Negative correlation.

Tags

CCSS.HSS.ID.B.5