Interval Forecasting in Supply Chain with Small Sample

Table 9

The predictive values of different models.

Year	sales volume	Quadratic polynomial model [18]	(1,5)
2005	850.15	850.15	850.15
2006	972.18	861.7971	965.79
2007	1078.47	929.5540	1055.96
2008	1069.28	1058.6918	1144.18
2009	1259.26	1103.4097	1264.41
2010	1454.51	1285.5118	1399.63
2011	1413.92	1525.6792	1555.71
2012	1672.11	1567.0815	1743.53
2013	1948.23	1786.3352	1934.37
2014	2063.35	2095.0247	2100.82
MAPE		8.24	3.0