JEE Main 2025 Mathematics question
Let the Mean and Variance of five observations and , be 5 and 10 respectively. Then the Variance of the observations is
Answer: (2)
Solution
, . New digits: 2,5,13,11,9. Var =
Let the Mean and Variance of five observations and , be 5 and 10 respectively. Then the Variance of the observations is
, . New digits: 2,5,13,11,9. Var =