mean:
rewards (before) -1.766050 rewards (after) 13.583185 dtype: float64
median:
rewards (before) -2.049671 rewards (after) 13.656718 dtype: float64
mean:
rewards (before) -1.766050 rewards (after) 13.583185 dtype: float64
median:
rewards (before) -2.049671 rewards (after) 13.656718 dtype: float64