Based on the following table of actual (or ex post) returns for both Inquiry Corporation and the market from 2007 through 2010, calculate the average return and the standard deviation for both Inquiry and the market (keep in mind that this data is historical and not based on a probability distribution, so be sure to use the correct formulas).
Year Inquiry Corporation Market
2007 4% 2%
2008 6% 3%
2009 0% 1%
2010 2% -1%