timeSeriseStats = np.zeros(shape=(49, 4))
count = 0
for did, dance in enumerate(velocities):
    if did != 9:
        timeSeriseStats[count, 0] = np.mean(dance[1])
        timeSeriseStats[count, 1] = np.median(dance[1])
        timeSeriseStats[count, 2] = np.max(dance[1])
        timeSeriseStats[count, 3] = np.std(dance[1])
        count += 1