Vocabulary Review

Scatter Plots: A graph that uses points to display the relationship between two sets of data.

Cluster: A group of points that follow the same general pattern and can contain many points.

Outlier: A data point that does not fit the rest of the data and is far away from the majority of points.

Gap: Missing areas in a data set.

​Scatter Plots

​When the y variable tends to increase as the x variable increases.

​​Positive Correlation

​When the y variable tends to decrease as the x variable increases.

​​Negative Correlation

​Data that does not follow a pattern, neither positive nor negative. There are no relationship between the x and y values.

​​ No Correlation

​Scatterplots with a linear pattern have points that seem to generally fall along a line.

​​Linear

Nonlinear patterns seem to follow along some curve.

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​​Nonlinear