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Statistics question

2024 · 8 Apr · Shift 2 · Q51

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JEE Main
Mathematics
Statistics
2024 · 8 Apr · Shift 2 · Q51

Statistics question

2024 · 8 Apr · Shift 2 · Q51

JEE MainMathematicsStatisticsNumerical+4 / −1

Let

\mathrm{a}, \mathrm{b}, \mathrm{c} \in \mathbf{N}

and

\mathrm{a}\lt \mathrm{b}\lt \mathrm{c}

. Let the mean, the mean deviation about the mean and the variance of the 5 observations

9,25, a, b, c

be 18, 4 and

\frac{136}{5}

, respectively. Then

2 a+b-c

is equal to

\underline{\hspace{2cm}}

Numerical answer

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