Given the following data on hotel check-ins for a 6-month period. July XXXXXXXXXX rooms Aug XXXXXXXXXX rooms Sept XXXXXXXXXXrooms Oct XXXXXXXXXX48 rooms Nov

The exponential smoothing forecast for month ‘t’ is given by,
1 1(1 )t t tF D A    
The forecast using the exponential smoothing method with = 0.1 is given in the following
table.
Month Last Year Forecast Error
January 510 1063 -553
February 383 1008 -625
March 1403 945 458
April 1913 991 922
May 1148 1083 65
June 893 1090 -197
July 829 1070 -241
August 638 1046...