Question

find the rank correlation from the following data.
X 2 1 4 3 4 6
Y 6 3 2 1 5 3​

Answer 1

Step-by-step explanation:

X. Y. rankof x. rank of y. d(x-y). d*d(square)

2. 6. 4 1. 3. 9

1. 3. 5. 3. 2. 4

4. 2. 2. 4. -2. 4

3. 1. 3. 5. -2. 4

4. 5. 2 2. 0. 0

6. 3. 1. 3. -2. 4

____

25

correlation= 1- 6*sum of dsquare

_______________

n(n*n-1)

6*25

=1- _______

6(36-1)

=1-150/210

=1-0.714

=0.286