NO.PZ2020011101000041
问题如下:
Calculate the rank correlations for the following data:
选项:
解释:
The first step is to complete the table:
考试会要求手算这么大数据量的题吗
NO.PZ2020011101000041问题如下 Calculate the rank correlations for the following t The first step is to complete the table:ρ^s=1−6∑i=1n(RXi−RYi)2n(n2−1)=1−6∗3210(100−1)=0.81{\wihat\rho}_s=1-\frac{6\sum_{i=1}^n(R_{Xi}-R_{Yi})^2}{n(n^2-1)}=1-\frac{6\ast32}{10(100-1)}=0.81ρs=1−n(n2−1)6∑i=1n(RXi−RYi)2=1−10(100−1)6∗32=0.81 有10、2两个排序值是重复的
这道题的表格也是显示不出来,好多题都是这个样子,请问是怎么回事?