Year Aerobic Basketball 2005 261 878 Use the table, which gives the total amounts of sales (in millions of dollars) for aerobic, basketball, cross-training. and walking shoes for the years 2005-2011 Find the mean and standard 2007 deviation of cross-training shoes. 2006 262 964 280 892 2008 260 2009 223 2010 249 2011 252 718 741 721 729 Cross- Training 1456 1543 1552 1615 2070 2132 2158 Walking 3673 4091 4197 4204 4416 4256 4299 The mean sales for cross-training shoes from 2005-2011 was 1789.4286 million dollars. (Round to three decimal places as needed.) The standard deviation of the sales for cross-training shoes from 2005-2011 was million dollars. (Round to three decimal places as needed.)

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