An Error Chart can be used to indicate estimated error in a measurement. The error values are shown as "T" and upside-down "T" symbols above and below the primary value. The most common Error Chart displays errors only in Y values.
XY Error Bar Chart
XY Error Charts can display errors both in X and Y values.
XYZ Error Bar Chart
XYZ Error Charts are available in 3D mode if you need to display errors for X, Y and Z values simultaneously.