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Let the mean of 6 observation \(1,2,4,5, x\) and \(y\) be 5 and their variance be 10 . Then their mean deviation about t…

Q1

Let the mean of 6 observation \(1,2,4,5, x\) and \(y\) be 5 and their variance be 10 . Then their mean deviation about the mean is equal to

[JEE Main 2023, 11 Apr (Shift 2)]

a

\(\frac{10}{3}\)

b

\(\frac{7}{3}\)

c

3

d

\(\frac{8}{3}\)

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