Time Series Analysis 747 Q.10.34 The following table show the products of Pakistan Steel (thousand tons). Find seasonal indices by simple average method. Years Production (Thousands) II III IV 2000 83 81 98 114 2001 124 113 115 152 2002 163 162 168 175 2003 191 180 184 197 Q.10.35 (a) Compute the seasonal indices for the four quarters by the method of ratio to moving averages Quarters Years I II III IV 1949 105 77 68 95 1950 107 83 74 106 1951 117 99 86 112 (P.U. M.A. Econ, 1986) ( b) Compute the seasonal indices for the four quarters by the ratio to moving average method from the wholesale prices. Years Quarters I II III IV 1961 122 125 118 117 1962 1 19 114 114 109 1963 105 99 93 89 1964 86 80 83 84 Q.10.36 (a) For the following data, compute seasonal indices by using the ratio to following moving average method. Years Summer Autumn Winter Spring 1992 70 81 89 115 1993 75 93 108 152 1994 80 105 150 195 1995 88 110 162 204 (b) Compute seasonal indices for four quarters by using the ratio to moving average method from the data given below: Years Quarters I II III IV 1982 60 72 66 78 1983 72 98 79 106 1984 79 122 101 143 1985 94 141 128 160 Also deseasonalize the data for the year 1983 and 1984