Question

The coefficient of rank correlation between the debenture prices and share prices of a company was -0.8. If the sum of the squares of the difference in ranks was 33 , find the value of .

Answer 1

Step-by-step explanation:

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