Select the methods of finding out correlation from the following.
1. Karl Pearson's Method
2. Spearman's Rank Method
3. Yule's Method
4. Coefficient of Contingency
5. Concurrent Deviation Method
Select the correct answer:

A. The central limit theorem B. The law of statistical regularly C. The law of inertia of large numbers D. None of the above

A. Sampling error B. Measurement error C. Coverage error D. Non-response error

A. Both (A) and (R) are true B. (A) is true, but (R) is false C. (A) is false, but (R) is true D. Both (A) and (R) are false

A. 0 B. 1 C. 0.4 D. 0.8