重庆工商大学苏继伟统计学实验第二次实验

年份粮食产量（万吨）19861004.9219871004.511988958.021*******.8819901085.0719911115.2819921050.2419931052.7219941134.1019951153.6819961172.1419971184.6319981155.3619991143.0520001131.2120011035.3520021082.1520031087.2020041144.5720051168.192006808.4020071088.0020081153.2020091137.2020101156.1320111126.90

2013

1133.8822

重庆市历年粮食产量统计表由线性方程计算可得2013年的预计粮食产量为：2.9294*2013

*2013-4763=1133.88