Measures of Central Tendency
Quick practice
Question 1 of 5
Calculate the coefficient of correlation on the basis of given information:
Covariance(X,Y)= - 25.5
S.D. (X) = 4.7
S.D.(Y) = 7.6
Number of pairs of observations = 30
A
0.523
B
- 0.714
C
0.714
D
- 0.523
Get unlimited practice with NTA-UGC-NET & SET Exams subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go