defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Statistics Correlation and Regression
Two random variables x and y have the following regression equations -
3x + 2y - 26 = 0
6x + y - 31 = 0
then, the mean values of x and y are respectively:
1
7, 4
2
6, 4
3
4, 7
4
4, 6