Scatter Plots

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What is a scatter plot?

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A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

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CCSS.8.SP.A.1

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What does correlation mean in statistics?

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Correlation refers to the statistical relationship between two variables, indicating how one variable may change in relation to another.

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CCSS.HSS.ID.C.9

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What are the types of correlation?

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The types of correlation are positive correlation, negative correlation, and no correlation.

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CCSS.HSS.ID.C.9

Front

What is a positive correlation?

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A positive correlation occurs when an increase in one variable leads to an increase in another variable.

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CCSS.HSS.ID.B.5

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What is a negative correlation?

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A negative correlation occurs when an increase in one variable leads to a decrease in another variable.

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CCSS.HSS.ID.B.5

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What does no correlation mean?

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No correlation means that there is no discernible relationship between two variables.

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CCSS.HSS.ID.B.5

Front

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

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In a scatter plot, a positive correlation is identified by points that trend upwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

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

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In a scatter plot, a negative correlation is identified by points that trend downwards from left to right.

Tags

CCSS.HSS.ID.B.5

Front

What does a scatter plot with no correlation look like?

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A scatter plot with no correlation shows points that are randomly scattered without any discernible pattern.

Tags

CCSS.HSS.ID.B.5

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What is an example of a positive correlation?

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An example of a positive correlation is the relationship between study time and test scores; as study time increases, test scores tend to increase.

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CCSS.HSS.ID.B.5