Instruction 14-4 the Number of Train Passengers Arriving in Adelaide on the on the Overland

Short Answer

Instruction 14-4
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 14-4,the number of arrivals will be exponentially smoothed with a smoothing constant of 0.25.The forecast of the number of arrivals on the seventh Monday will be _______.