Question

if the summation of the square of the difference between the ranks of x and Y is 46 and the number of observations is 10 then the value of rank correlation coefficient is?​

Answer 1

Step-by-step explanation:

ANSWER

P=1−6

n(n

2

−1)

∑di

2

0.6=1−

n(n

2

−1)

6×66

n(n

2

−1)

6×66

=0.4

n(n

2

−1)=

2

3

×66×10=990

n=10

10(10

2

−1)=10(99)=990