moments of a sinusoidal distribution

                             calculated    expected

Mean :                         1.5708       1.5708
Average Deviation :            0.5704       0.5708
Standard Deviation :           0.6833       0.6837
Variance :                     0.4669       0.4674
Skewness :                     0.0000       0.0000
Kurtosis :                    -0.8089      -0.8062