Boxplot Spss Outliers. Select variable items. SPSS uses a step of 15IQR Interquartile range.
Go to Boxplot. The top and bottom box lines show the first and third quartiles. If youd like to remove outliers based on boxplot results youd normally set them as user missing values.
Mild outliers are data points that are more extreme than than Q1 - 15 IQR or Q3 15 IQR but are not extreme outliers.
A line across the box indicates the median. If youd like to remove outliers based on boxplot results youd normally set them as user missing values. The box plot as cases below or above the end of each whisker More specifi-cally SPSS identifies outliers as cases that fall more than 15 box lengths from the lower or upper hinge of the box. The median divides the data into two equal halves.
