1、上海水产品统计分析 以下是2004年到2009年的统计数据:一、 水产品总产量年份总产量(万吨)定基增长速度(%)环比增长速度(%)200434.4-200535.42.912.91200638.812.799.60200732-6.98-17.53200832.3-6.100.94200930.9-10.17-4.33二、 人均占有量(公斤)年份人均占有量(公斤)200419.9200519.9200621.6200717.4200817.3200916.2 近6年平均每年人均占有量: =18.7近6年人均占有量方差: /n=3.515标准差为:S=1.875标准差系数为:V= =0.1三、
2、 零售价格指数(上年=100)年份零售价格指数(上年=100)2004107.72005114.420061022007101.42008110.82009105.2四、 消费价格指数(上年=100)年份消费价格指数(上年=100)2004107.72005114.420061022007101.42008111.22009105.4下面进行相关分析:年份零售价格指数X消费价格指数YXY2004107.7107.711599.2911599.2911599.292005114.4114.413087.3613087.3613087.3620061021021040410404104042007
3、101.4101.410281.9610281.9610281.962008110.8111.212276.6412365.4412320.962009105.2105.411067.0411109.1611088.08总计641.5642.168716.2968847.2168781.65r =0.67所以它们为显著相关下面进行线性回归分析年份总产量X人均占有量YX*XX*Y200434.419.91183.36694.51200535.419.91253.16704.46200638.821.61505.44838.0820073217.41024556.8200832.317.31043.29558.79200930.916.2954.81500.58总计203.8112.36964.063853.22另回归模型为:b =a =解出a = -12.87 b = 0.93所以线性回归方程为:Y = -12.87 + 0.93X