Scatterplots and Correlation

Front

What is a scatterplot?

Back

A scatterplot is a type of graph that shows the relationship between two sets of data using dots.

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What does correlation mean?

Back

Correlation means how two things are related or connected to each other.

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatterplot.

Front

What does a positive correlation look like on a scatterplot?

Back

A positive correlation shows that as one variable increases, the other variable also increases.

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What does a negative correlation look like on a scatterplot?

Back

A negative correlation shows that as one variable increases, the other variable decreases.

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What does no correlation mean?

Back

No correlation means there is no clear relationship between the two variables.

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How can we use scatterplots?

Back

We can use scatterplots to see patterns and make predictions based on data.

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What is an example of a positive correlation?

Back

An example of a positive correlation is studying more hours and getting higher test scores.

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What is an example of a negative correlation?

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An example of a negative correlation is driving more miles and having less gas in the tank.

Front

What is the purpose of the line of best fit?

Back

The purpose of the line of best fit is to help make predictions based on the data.