If the mean and the variance of the data (Class: 4–8, 8–12, 12–16, 16–20; Frequency: 3, λ, 4, 7 respectively) are μ and 19 respectively, then the value of λ+μ is

Statistics and Probability: JEE Main 2026 Mathematics question

JEE Main 2026 · 23 Jan, Evening shift · Q11

JEE Main 202623 Jan, Evening shiftMathematicsEasyStatistics and Probability258× since 2002

If the mean and the variance of the data (Class: 4–8, 8–12, 12–16, 16–20; Frequency: 3,

\lambda

, 4, 7 respectively) are

\mu

and 19 respectively, then the value of

\lambda+\mu

JEE Main 2026 · 23 Jan, Evening shift · Q11

JEE Main 202623 Jan, Evening shiftMathematicsEasyStatistics and Probability258× since 2002

If the mean and the variance of the data (Class: 4–8, 8–12, 12–16, 16–20; Frequency: 3,

\lambda

, 4, 7 respectively) are

\mu

and 19 respectively, then the value of

\lambda+\mu