Would like help

150 450 510 Spring 500 600 700 Summer 400 490 610 he last four weekly values of sales were 80.100. 105. and 90 units, respectively. The last four forecasts (for the same four weeks) were 60, 80, 95, and 75 units, respectively. Calculate the MAD, MSE, and MAPE for these four weeks. Sales Forecast - Error Error Error squared Pct. error 80 6 0 20 400 .25 100 80 20 400 20 105 95 10 100 095 90 75 225 .167 Favors Distribution Company purchases small import ribution Company purchases small imported trinkets in bulk, packages them, and sells them to retail stores. The mana conducting an inventory control study of all their items. The following data are for one such item, which is not seasonal. a. calculate forecasts for the first four months of the next year by using Trend projection equation: y-hat=48.32 +2.105X - 1 2 3 4 5 6 7 8 9 10 11 12 Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sales 51 55 54 5750 68 66 59 67 69 7573 23. 47