Scatter Plots. Scatter plots are used when data from an experiment or test have a wide range of values. You do not connect the points in a scatter plot,

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Presentation transcript:

Scatter Plots

Scatter plots are used when data from an experiment or test have a wide range of values. You do not connect the points in a scatter plot, but you do make predictions from scatter plots. Draw a scatter plot using the data from the table. Identify the independent and dependent variables.

Scatter Plots There are 3 ways that lists of data can relate to each other in scatter plots. Positive Correlation – one variable increase while the other variable increase. This is similar to a positive slope. Negative Correlation – one variable increases while the other variable decreases. This is similar to a negative slope. No Correlation - the points do not relate at all.

Scatter Plots What correlation do each of these scatter plots show?

Scatter Plots Let’s make another scatter plot. Use the data from the table. How is the data correlated?

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