問(wèn)答題

設(shè)有如下數(shù)據(jù): 
10,15,19,23,27.5,33,38,43,47.5,53,58.7,63.4, 
68.6,74.5,80.4,86.1,91.8,98.5,105.5,112,118.5
已知此數(shù)據(jù)序列為ARIMA(1,1,0)模型序列,試建立此序列模型,并對(duì)第22期數(shù)據(jù)進(jìn)行預(yù)測(cè)。


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