Which Scatterplot Shows an Outlier?

If one point of a scatter plot is farther from the regression line than some other point, then the scatter plot has at least one outlier. If a number of points are the same farthest distance from the regression line, then all these points are outliers.

What is an outlier in a scatter plot?

An outlier is defined as a data point that emanates from a different model than do the rest of the data. ... If the outlier is omitted from the fitting process, then the resulting fit will be excellent almost everywhere (for all points except the outlying point).

How do you identify outliers on a graph?

Finding Outliers in a Graph

If you want to identify them graphically and visualize where your outliers are located compared to rest of your data, you can use Graph > Boxplot. This boxplot shows a few outliers, each marked with an asterisk.