Question: please include calculations, explanation and formula provide time series plot. number of seasons? Computation of seasonal index and average period demand. Trend projection model? (Used

please include calculations, explanation and formula

provide time series plot.

number of seasons?

Computation of seasonal index and average period demand.

Trend projection model? (Used to forecast the average demand for the next period.)

please include calculations, explanation and

Month Sales Month Sales 1 110 11 80 2 100 12 90 3 130 13 80 4 90 14 60 5 200 15 150 6 90 16 60 7 110 17 70 8 110 18 70 9 70 19 40 10 170 20 120 Use seasonal model to forecast the monthly sales for the next period

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