8 - Vodka Sales
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Topic: Time series analysis and prediction Context: A wholesale dealer of liquor has on record the sales each month of a certain brand of vodka for the period of July 2001 - June 2004. The data is available in the file Vodka_Sales.XLS in two columns: SALES (in litres) and MONTH (no.) Task: 1. Illustrate the sales in a time chart for this period. Comment on the main features? 2. Give a prognosis for the monthly sales for each month for the rest of year 2004. 3. Give a prognosis for the total sales for the rest of the year 2004. 4. Give your judgement on the uncertainty in each prognosis, if possible. 5. How about prognosis for 2005?