In order to launch MSDiag Reports (statistical reports), simply select a node on the tree and choose 'Compute statistical reports' and wait for the results to appear. This applies to a resultset only. (not possible for a dataset)

Choose the menu option:

You then configure some settings before launching the process.

Your report will appear in a matter of seconds (depending of the amount of data to be processed).

You have other types of display that are possible:

Histograms:

And pie charts: