Instruction 14-19 the Number of Train Passengers Arriving in Adelaide on the on the Overland

Short Answer

Instruction 14-19
The number of train passengers arriving in Adelaide on the Overland on six successive Mondays were: 60, 72, 96, 84, 36 and 48.
-Referring to Instruction 14-14,the Holt-Winters method for forecasting with smoothing constant of 0.8 for both level and trend will be used to forecast the wine sales.The forecast for 2011 is _______.