You are looking at two investment options, Option A and Option B. Following are their populations of returns for the last five years:
Option A                                Option B
Year 1                  15%                                        8%
Year 2                  22%                                        12%
Year 3                  8%                                          10%
Year 4                  2%                                          7%
Year 5                  13%                                        9%
Which option is preferable on a relative measure?