Let the mean and the standard deviation of the observations 2, 3,… | JEE Main 2025 Mathematics PYQ

MCQMediumJEE Main 2025 · 4 April, Shift 2Measures of Dispersion

Let the mean and the standard deviation of the observations $2, 3, 3, 4, 5, 7, a, b$ be $4$ and $\sqrt{2}$ respectively. Then the mean deviation about the mode of these observations is:

A
$1$
B
$\frac{3}{4}$
C
$2$
D
$\frac{1}{2}$

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