Despite tuition skyrocketing, a college education is still valuable. Recent calculations by the Federal Reserve Bank in San Francisco demonstrate a college degree is worth $800,000 in lifetime earnings compared to the average high school education. Assume graduates in 2017 earn $37,382, $35,814, $43,492, $26,699, $45,612 and $48,068. What is the standard deviation for this sample? (Round your intermediate calculations and final answer to the nearest whole number.) Standard deviation $?