Urgent

Question 8: (10 pts) Sales of Samsung Galaxy smartphones have grown steadily during the past five years in Lebanon: year Sales (x100) Forecasts 2017 65.1 2018 87.3 2019 102.6 2020 185.4 2021 198.3 (2 pts) 1- Using a 3-year moving average, find the forecasted value for the next year? 2- Using a weighted moving average forecasting with 4, 3, and 1 for the weights of the most recent, second most recent, and third most recent period, find the forecasted value for the (3 pts) next year? 3- Using the exponential smoothing method with a = 0.25, forecast the sales for the next year? (5 pts)