College graduates continue to earn significantly more than high school graduates. In fact, the wage college graduates earn has been increasing to almost twice as much as that of high school graduates. Assume graduates in 2013 earn $39,132, $35,674,$42,792, $41,707, $70,035 and $50,168. What is the standard deviation for this sample? (Round your intermediate calculations and final answer to the nearest whole number.) Standard deviation $