Let the mean and variance of 8 numbers x, y, 10, 12, 6, 12, 4, 8… | JEE Main 2023 Mathematics PYQ | Jeeify

Log in Start free trial

NVAMediumJEE Main 2023 · 8 April, Shift 1Measures of Dispersion

Let the mean and variance of $8$ numbers $x, y, 10, 12, 6, 12, 4, 8$ be $9$ and $9.25$ respectively. If $x > y$ , then $3x - 2y$ is equal to:

Answer & step-by-step solution

Sign in to reveal the correct answer, the full step-by-step solution, and the common mistakes for this question.

Sign in to see the solution

Practice more Measures of Dispersion questions

Get unlimited AI-adaptive practice, mastery tracking, and an AI tutor that explains every step - free to start.

Start free trial More on Measures of Dispersion

Related questions