Question: Question 3 The table below shows forecast for the sales of auto battery in the 2020 (Jan-Dec). (a) Using nave approach, provide the forecasted sales

Question 3 The table below shows forecast for the sales of auto battery in the 2020 (Jan-Dec). (a) Using nave approach, provide the forecasted sales of the auto battery for January 2021 6) Compute the forecasted sales for the month of January 2021 using (1) 3-moving average (ii) 4-moving average (c) Using weighted average of 0.4, 0.4 and 0.2, what is the forecast for the January 2021? (d) Suppose the weighted average is changed 0.5, 0.3 and 0.2, would the forecast for the January 2021 improve? (e) Decide which of the following smoothing constants (0.3 and 0.5) provide better forecast of the January 2021 Month I Jan Feb March April May Jun Jul Aug Sep Oct Nov Dec Sales of auto battery (in 1000's) 20 21 15 14 13 16 17 18 20 20 21 23

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