Mathematics · 2026
JEE Main · 28 January 2026, Shift 1 · Q8
The mean and variance of 10 observations are 9 and 34.2, respectively. If 8 of these observations are 2,3,5,10,11,13,15,21, then the mean deviation…
The mean and variance of $\displaystyle 10$ observations are $\displaystyle 9$ and $\displaystyle 34.2$ , respectively. If $\displaystyle 8$ of these observations are $\displaystyle 2,3,5,10,11,13,15,21$, then the mean deviation about the median of all the $\displaystyle 10$ observations is
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 5$
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JEE Main 2026 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.