Let the mean of 6 observations 1, 2, 4, 5, x, and y and their var… | JEE Main 2023 Mathematics PYQ | Jeeify

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MCQMediumJEE Main 2023 · 11 April, Shift 2Measures of Dispersion

Let the mean of $6$ observations $1, 2, 4, 5, x,$ and $y$ and their variance be $10$ . Then their mean deviation about the mean is equal to:

A
$\frac{7}{3}$
B
$\frac{10}{3}$
C
$\frac{8}{3}$
D
$3$

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