Associative forecasting methods: regression and correlation analysis. Each of 50 profit centers around the world is responsible for computerized monthly, quarterly, and 12-month sales projections. These projections are aggregated by region, then globally, at tupperware"s world. Tupperware uses all techniques discussed in text. The number of registered consultants or sales representatives. The percentage of currently active dealers (this number changes each week and month) Sales per active dealer, on a weekly basis. Although inputs come from sales, marketing, finance, and production, final forecasts are the consensus of all participating managers. The final step is tupperware"s version of the jury of executive opinion . Up to 1 year, generally less than 3 months. Purchasing, job scheduling, workforce levels, job assignments, production levels. New product planning, facility location, research and development. Medium/long range forecasts deal with more comprehensive issues and support management decisions regarding planning and products, plants and processes. Short-term forecasting usually employs different methodologies than longer-term forecasting.