Let the mean and variance of 8 numbers -10, -7, -1, x, y, 9, 2, 1… | JEE Main 2026 Mathematics PYQ

MCQMediumJEE Main 2026 · 23 January, Shift 1Measures of Dispersion

Let the mean and variance of $8$ numbers $-10$ , $-7$ , $-1$ , $x$ , $y$ , $9$ , $2$ , $16$ be $\frac{7}{2}$ and $\frac{293}{4}$ , respectively. Then the mean of $4$ numbers $x$ , $y$ , $x+y+1$ , $|x-y|$ is:

A
$12$
B
$10$
C
$9$
D
$11$

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