The mean and variance of \(10\) observations are \(9\) and \(34.2\), respectively. If \(8\) of these observations are \(…
Q1
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 about the median of all the \(10\) observations is
[JEE Main 2026, 28 Jan (Shift 1)]
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