Select at least one column to create symmetry plot.

To create a symmetry plot, Origin will

• sort your data in ascending order;

• calculate the median value of dataset;

• draw a scatter plot with the upper distance of the median on the X axis against the lower distance to the median on the Y axis;

• add a reference line Y=X to represent a perfectly symmetric sample;

• create a histogram plot to show the shape of distribution, with a reference line at median value