Statistics-Time-series-Seasonal-indexes-v2 by ClassOf1

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									              Sub: Statistics                                                                         Topic: Time series


              Question:

              Fit a trend line and develop the seasonal indexes.
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              Using these data, develop the seasonal indexes. Fit a trend line to these data.

                   Period               Sales
                     1                  22.26
                     2                  24.42
                     3                  27.06
                     4                  27.14
                     5                  29.43
                     6                  29.56
                     7                  27.33
                     8                  27.13
                     9                  23.88
                     10                 26.88
                     11                 25.31
                     12                 23.66
                     13                 24.68
                     14                 25.31
                     15                 29.86
                     16                 31.13
                     17                 33.39
                     18                 31.04
                     19                 31.48
                     20            
								
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