unity 3d finding average position of many objects

private Vector3 AverageSeatPosition()
{
    Vector3 avgPos = Vector3.zero;
    if (seats.Count > 0) {
        foreach (Seat _seat in seats)
        {
            avgPos += _seat.transform.position;
        }
        avgPos /= seats.Count;
    }
    return avgPos;
}