Describe the data which show a seasonal effect

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Reference no: EM1316129

Does the given data show a seasonal effect using moving average method?

	1	2	3	4
1980	938	759	631	871
1981	919	720	633	857
1982	912	704	630	847
1983	903	692	635	839

Does the data show a seasonal effect? Assume that it does forecast the figures for 1984.

Reference no: EM1316129

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