Forecasting sales at Dalworth Company using a three-month and a four-month moving averages. forecasting service calls at Karl's Copiers using exponential smoothing, forecasting sales at Krispee Crunchies using a trend projection, forecasting seasonal sales at Snyder's Garden Center, and forecasting power loads at a utility company in the Texas panhandle using a multiplicative seasonal method.
1. Sales for the past 12 months at Dalworth Company are given here. Month Sales ($ millions) Month Sales ($ millions) January 20 July 53 February 24 August 62 March 27 September 54 April 31