STATISTICS AND METHODOLOGY QUESTION NO 21
- A
The whole subject of correlation refers to that inter-relation between separate characters by which they tend, to some degree at least, to move together.
- B
That between two series or groups of data there exist some causational connections.
- C
Whenever some definite connections exist between the two or more groups, classes, or series to data, there is said to be a correlation.
- D
All of the above.
