Jee Main
Statistics
JEE Main 2026 (Online) 24th January Morning Shift
MCQ+4 / -12026
The mean and variance of a data of 10 observations are 10 and 2 , respectively. If an observations $\alpha$ in this data is replaced by $\beta$, then the mean and variance become 10.1 and 1.99 , respectively. Then $\alpha+\beta$ equals