Moments of a sinusoidal distribution

                            Calculated   Expected

 Mean :                       1.5708      1.5708
 Average Deviation :          0.5708      0.5708
 Standard Deviation :         0.6838      0.6837
 Variance :                   0.4675      0.4674
 Skewness :                   0.0000      0.0000
 Kurtosis :                  -0.8069     -0.8062