2. A company records reported below indicate monthly sales data for Rasihaba Company.

Use the below mentioned techniques to help the administration: Month Sales (000, units) October 2 November 2 December 4 January 1 February 3 March 3 April 4 May 5 June 6 July 6

a) 2-month moving average Briefly explain.

b) Exponential smoothing with smoothing constant 0.3 and forecast value 3 (000, units) for the first period. Briefly explain.

c) Use RMSE model and decide which technique (simple moving average or exponential smoothing) is better? Briefly explain.

d) Plot the monthly data, moving averages and exponential smoothing estimates on a line graph. Briefly explain the pattern.