Use T² Chart to simultaneously monitor whether the process locations of two or more related variables are in control. This chart is the multivariate counterpart to the Xbar and Individuals charts.
The points vary randomly around the center line and are below the upper control limit. No trends or patterns are shown. The process location of the plastic product's strength is stable.
To create a T2 chart, choose .
If variables are not correlated, use Xbar Chart or Individuals Chart.