Week 3 registrations are 49. The forecast is 47.23 and the trend is 3.465 giving a FIT of 50.695….

➤ Why do we use both alpha and beta in Holt’s forecasting?
Alpha controls how fast the level reacts to new observations. Beta controls how quickly the trend updates. Using both separates base level changes from systematic slope changes, so the FIT (level plus trend) captures immediate shifts in registrations and ongoing growth or decline in a balanced way.