Mathematics · 2023
JEE Main · 11 April 2023, Shift 2 · Q18
Let the mean of 6 observations 1,2,4,5, x and y be 5 and their variance be 10. Then their mean deviation about the mean is equal to
Let the mean of $\displaystyle 6$ observations $\displaystyle 1,2,4,5, \mathrm{x}$ and y be $\displaystyle 5$ and their variance be $\displaystyle 10$ . Then their mean deviation about the mean is equal to
Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle \frac{8}{3}$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.