The given return figures were computed using closing prices obtained from Yahoo Finance website for Harley Davidson. Calculate the average monthly return for the company and the standard deviation for these monthly returns.
Date HOG Return
9-Feb -17.10%
9-Jan -28.19%
8-Dec 1.64%
8-Nov -30.51%
8-Oct -34.36%
8-Sep -5.46%
8-Aug 5.13%
8-Jul 4.36%
8-Jun -12.05%
8-May 8.68%