engineering recuitment GATE ECE 2023-24 Test Series Engineering Mathematics Probability and Statistics Statistical Variables
If the difference between the expectation of the square of a random variable (E[X2]) and the square of the expectation of the random variable (E[X])2 is denoted by R, then
1
R = 0
2
R < 0
3
R ≥ 0
4
R > 0