Find the standard deviation.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 tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the standard deviation. Round your answer to two decimal places. 20.7 23.9 39.9 33.6 12.1 21.6
A. 36.75 mi
B. 4,333.64 mi
C. 3,840.54 mi
D. 9.93 mi
Answer: D
Mathematics
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A. - 
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C. 
D. 
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