Scatter Plots and Correlation

Front

What is a scatter plot?

Back

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

Front

What does the x-axis represent in a scatter plot?

Back

The x-axis typically represents the independent variable, which is the variable that is manipulated or changed.

Front

What does the y-axis represent in a scatter plot?

Back

The y-axis typically represents the dependent variable, which is the variable that is measured or observed.

Front

What is correlation in statistics?

Back

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

Front

What are the types of correlation?

Back

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

Front

What does a positive correlation indicate?

Back

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

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What does a negative correlation indicate?

Back

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

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What does no correlation mean?

Back

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

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How can you identify correlation in a scatter plot?

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You can identify correlation in a scatter plot by observing the direction and pattern of the data points.

Front

What is an example of a positive correlation?

Back

An example of a positive correlation is the relationship between hours studied and test scores.