GanStatistik - GanStatistik, like GanArfak, provides a

series of Basics Statistics exercises.

The main difference between the apps is that GanStatistik

does not display ads and is paid. (symbolic price)

Topics:

Mean, Median, Mode, Standard Deviation, Probability,

Permutations and Combinations

New questions may be made available dynamically.

Platform: iOS and Android.