The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below: 15.4 11.9 43.7 33.5 11.7 15.9 Find the standard deviation of the distances. O 13.36 miles O38.60 miles O2908.40 miles O 3800.41 miles