Illustration 54. From the following data relating to the average quarterly prices of a commodity obtain the scasonal indices by the method given by prof. Pearson. Also comment on the seasonal indices. Average Quarterly Prices of a Commodity Qrs. I II III IV Yr. 30 26 22 31 1994 1995 35 28 22 36 1996 31 29 28 32 1997 31 31 25 35 34 36 26 33 1098

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