#
Question : Returns for the Alcoff Company over the last 3 yearsare : 4984

Returns for the Alcoff Company over the last 3 yearsare shown below. What's the standard deviation of the firm's returns? (Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used or Sx from calculator.

Year Return2010 21.00%2009 -12.50%2008 25.00%