![]() You might find it helpful to use both types of graphs with your data. ![]() These data points are worthy of review to determine if they are outliers or errors the whiskers will not include these outliers. These points are often called outliers. An outlier is more extreme than the expected variation. If the data do not extend to the end of the whiskers, then the whiskers extend to the minimum and maximum data values. If there are values that fall above or below the end of the whiskers, they are plotted as dots. The whiskers represent the expected variation of the data. The whiskers extend 1.5 times the IQR from the top and bottom of the box.
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