Question

Find the covariance of the data given below:

(1,5), (2,7), (3,9), (4,11), (5,10), (6,9), (7,8), (8,7), (9,6), (10,5).

(i) – 1.35

(ii) 1.35

(iii) 2.35

(iv) 0.35​

Answer 1

(i) -1.35 is correct answer