Statistics

JEE Main · Mathematics · 9 past questions

These are the board's own papers. 111 more board questions reprinted in the books we use in class are for signed-in students: sign in.

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1. Q4 2026 4 Apr Shift 2

   For 10 observations $x_1, x_2, \ldots, x_{10}$, if $\sum_{i=1}^{10}(x_i + 2)^2 = 180$ and…

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2. Q7 2026 6 Apr Shift 1

   A data consists of 20 observations $x_1, x_2, \ldots, x_{20}$. If $\sum_{i=1}^{20}(x_i+5)^2=2500$ and…

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