Todd Robinson is the operations manager for the call center 93-Cents-Joke -- a call center that tells a random, high-quality joke to the caller for the very reasonable rate of 93 cents -- has contacted you after hearing about your expertise in forecasting. Forecasting the number of incoming calls is crucial to the call center. With its current model, staffing is the single largest cost to the call center, and staffing levels are always set based on the forecasted number of calls. "For us", the manager explains, "good forecasting is not a joke