Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Statistics Correlation and Regression
If the correlation between X and Y is 0.3, then correlation coefficient between 2X and 3Y is:
1
0.3
2
0.4
3
0.2
4
More than one of the above
5
None of the above