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14.3720.445.101.552814.0424.984.951.59 算得二级数据为:ss=7396526,sp12=366241,sp1=141018,sp4=85.5450,spy=1114707,s=8.8284, Sp=2.5618,sp2#=1.6050,sp2=21.0275,s3=2.660,sp34=0.1700,sp=9.3216,ss=46.500,sp4y=10.005 简单相关系数为:r12=045322,n=0.31739,n4=0.46127,ry=0.50351,r2=0.52776,r2=0.07922 r2y=0.86938,r4=0.01526,r3=0.704,r4=0.18024。 平均数与标准差为:=253946,51=3:8852,2=49964,s2=0.4245,x3=16264,s:=0233,x4=285, s4=0.9742,y=148986 (答案:P2=0.68032,P3=0.34005,Py4=0.12116,R2=0.8516。)20 14.37 20.44 5.10 1.55 28 14.04 24.98 4.95 1.59 28 算得二级数据为:ss1=739.6526,sp12=36.6241,sp13=14.1018,sp14=-85.5450,sp1y=111.4707,ss2=8.8284, sp23=2.5618,sp24=1.6050,sp2y=21.0275,ss3=2.6690,sp34=0.1700,sp3y=9.3216,ss4=46.500,sp4y=10.005, ssy=66.264。 简单相关系数为:r12=0.45322,r13=0.31739,r14=0.46127,r1y=0.50351,r23=0.52776,r24=0.07922, r2y=0.86938,r34=0.01526,r3y=0.70094,r4y=0.18024。 平均数与标准差为: x1 = 25.3946,s1=3.8852,x2 = 4.9964,s2=0.4245,x3 = 1.6264,s3=0.2334,x4 = 28.5, s4=0.9742, y = 14.8986。 (答案: Py.2=0.68032,Py.3=0.34005,Py.4=0.12116,R 2=0.8516。)
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