The following table is the quarterly seasonal indexes for the sales data of the Trending Trading Company from 2007 to 2010. Uncentered Centered 4 Quarter Moving Total 2x4 Quarter Moving Total Period Y 2007 Q1 Q2 Q3 Q4 2008 Q1 Q2 Q3 Q4 2009 Q1 Q2 Q3 Q4 2010 Q1 Q2 Q3 Q4 221 diuntod consonal index for the second quarter is: The 182 180 232 200 191 196 239 204 195 206 248 213 198 203 270 794 803 819 826 830 834 844 853 862 865 862 884 892 1597 1622 1645 1656 1664 1678 1697 1715 1727 1727 1746 1776 4 Quarter Moving Average Seasonal Ratio 199.625 202.750 205.625 207.000 208.000 209.750 212.125 214.375 215.875 215.875 218.250 222.000 116.2179 98.6436 92.8875 94.6860 114.9038 97.2586 91.9269 96.0933 114.8813 98.6682 90.7216 91.4414

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