Practice%20Questions%20-%20Forecasting

# Practice%20Questions%20-%20Forecasting - Practice Questions...

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Practice Questions: Forecasting 1. The following table lists sales figures for the past year. Month Actual Data January 350 February 385 March 420 April 465 May 510 June 560 July 615 August 675 September 740 October 815 November 900 December 995 a. Use the following two forecasting methods, MA(4) and MA(8), to compute all forecast values and their MADs. b. Which one of these two methods, MA(4) and MA(8), is better? Please explain. 2. The following table lists sales figures for the past six months. Month Actual January 230 February 210 March 322 April 247 May 221 June 197 a. Use the exponential smoothing method with alpha = 0.4 to compute all forecast values (including July). b. Calculate MAD. 3. Question 20, part (d). Also calculate the forecast for period 13. (Note that exponential smoothing with trend is double exponential smoothing.) 4. The following table lists sales figures for the past three years. You may assume a sea- sonal cycle of one year. Quarter

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Practice%20Questions%20-%20Forecasting - Practice Questions...

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