有关计算结果及其它数据如下表: h N, W. X yI 2 2 h h 427 0.4375 36720010873.400085600001.0203274206493345710.88942055.667 0.3043251607933285783771431.14086312257123299052269.429 32520258220800 1034333845.83331.222857121470.66771846.96787713.867 n=y=x R= S N=976 826800123933007847821-1025715414643051 试对总体总和y(该地区实际耕地面积总和)用各种手法进行 估计有关计算结果及其它数据如下表: h Nh Wh Xh nh h y h x ˆ h h h y R x = 2 Syh 2 Sxh Syxh N = 976 826800 X = 23 n = 933.6087 y = 847.7826 x = ˆ 1.101236 y R x = = 2 57745 Sy = 2 41146 Sx = 43051 Syx = 1 2 3 427 297 252 0.4375 0.3043 0.2582 367200 251600 208000 10 7 6 873.4000 933.2857 1034.3333 856.0000 837.7143 845.8333 1.020327 1.114086 1.222857 42064.933 31221.571 121470.667 45710.889 23294.905 71846.967 42055.667 22692.429 87713.867 试对总体总和 (该地区实际耕地面积总和)用各种手法进行 估计. Y