The following table gives the quarterly demand for the hotel accommodation,
in thousands of beds.
Year Quarter 1 2 3 4
1995
1996
1997
1998
19.4
22.3
23.3
25.1
20.6
22.6
24.1
27.3
19.5
21.0
22.2
22.8
24.9
25.6
Required:
(i) The trend and the average seasonal variation of the series. (10
marks)
(ii) Explain how this information could be used in forecasting future demand in
hotel accommodation?