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The table below gives the quarterly figures (K M) of a retail giant for the years Q1 Q2 Q3 Q4 2008 20 30 39 60
The table below gives the quarterly figures (K M) of a retail giant for the years
Q1 Q2 Q3 Q4
2008 20 30 39 60
2009 40 51 62 81
2010 50 64 74 95
(i) Calculate four quarter moving average trend values.
(ii) Calculate the seasonal variation values by multiplicative model.
(iii) Forecast the output in all the four quarters of 2011.
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